ASTRONOMY

10. Which type of telescope is known to be difficult to keep aligned?
rotating
refracting
reflecting
radio

Answer:

Answer:

Semi-permanent.

Sorry if im wrong

Answer:

C= gene

U too have a great day/night.

Explanation:

Answer:

Completando.

Explicación:

Al medir 4,7 m como la longitud de una habitación que en realidad es 4,67 m debido al redondeo del valor de 4,67. El redondeo se refiere a un número que se simplifica al mantener su valor intacto pero más cerca del siguiente número. Se hace tanto para números enteros como para decimales. Si el segundo dígito a la derecha del decimal es mayor que 5, entonces se le da un número al primer dígito presente a la derecha del decimal, por lo que en este ejemplo, el segundo dígito a la derecha del decimal es 7, que es mayor que 5, por lo que se agrega uno. a 6, que está presente a la derecha del decimal, lo que lo convierte en 7.

The best solution to prevent them from becoming an invasive species is to develop plants that are unable to reproduce. Thus, the correct option is C.

Invasive species may be defined as the group of organisms that are not indigenous, or native, to a particular area.  

If such genetically modified plants have the characteristics of reproduction, then they produce offspring which are extremely different from the native population. This in the future leads to the process of speciation if can not be regulated in a limited manner.

Therefore, the correct option for this question is C.

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The unknown parent's genotype in the dihybrid cross is likely GgPp. This genotype would result in a 1:1 phenotypic ratio of green pod-purple flower to yellow pod-purple flower offspring.

In a dihybrid cross, we consider two independent traits. In this case, the traits are pod color (green or yellow) and flower color (purple). The known parent's genotype is GgPp, where G represents the dominant allele for green pod color, g represents the recessive allele for yellow pod color, P represents the dominant allele for purple flower color, and p represents the recessive allele for non-purple (white) flower color.

Therefore, the genotype of the unknown parent is likely GgPp, which produces the desired 1:1 phenotypic ratio of green pod-purple flower to yellow pod-purple flower in the offspring.

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Gibberellic acid (GA) plays a crucial role in a-amylase production and germination. GA stimulates the synthesis and release of a-amylase enzymes, which hydrolyze starch into sugars during germination. Experimental studies have demonstrated that the application of GA accelerates a-amylase production and enhances germination in various plant species

In terms of a-amylase production, GA stimulates the synthesis and release of this enzyme. a-amylase is responsible for breaking down starch into simpler sugars, which are then utilized by the plant for growth and development.

Studies have shown that applying GA to plant tissues or seeds results in an increased production of a-amylase, facilitating the conversion of stored starch into energy-rich sugars.

Regarding germination, GA is involved in breaking seed dormancy and promoting the growth of the embryonic plant.

It stimulates the production of hydrolytic enzymes like a-amylase, which enable the hydrolysis of starch reserves in the endosperm, providing the energy needed for germination and seedling establishment.

Additionally, GA helps in cell elongation and division, promoting the growth of the embryo and the emergence of the radicle.

Evidence for GA's role in both processes includes studies where the exogenous application of GA to seeds or plant tissues has been shown to enhance a-amylase production and promote germination.

Conversely, inhibiting GA synthesis or action results in reduced a-amylase activity and impaired germination. These findings support the critical involvement of GA in both a-amylase production and germination processes in plants.

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Answer:lightning rod

Explanation:

Normaly there is a lighting rod to the most of the buildings or house so we can place lighting rod to prevent houses and buidlings from lightning

The correct answer is that chemicals added to the liquid can contaminate groundwater.

Fracking is a method of drilling fossil energy resources, which requires a lot of water and consumes local water resources. It is pumped with high pressure water, sand and chemicals, causing high pressure to block the porous rock and release gas.  

The water spill itself destroys nature from the drilling site, and may even cause earthquakes, especially due to the pumping of abundant wastewater into porous rock types such as limestone. For example, Oklahoma appears to have become a special earthquake risk area. The biggest impact of water distortion is on groundwater. In Wyoming, USA, the same chemicals found in groundwater have been found in groundwater, and some of them are toxic or carcinogenic.  

Answer:

the answer is A

Explanation:

Fracking is a method of drilling fossil energy resources, which requires a lot of water and consumes local water resources. It is pumped with high pressure water, sand and chemicals, causing high pressure to block the porous rock and release gas.  

The water spill itself destroys nature from the drilling site, and may even cause earthquakes, especially due to the pumping of abundant wastewater into porous rock types such as limestone. For example, Oklahoma appears to have become a special earthquake risk area. The biggest impact of water distortion is on groundwater. In Wyoming, USA, the same chemicals found in groundwater have been found in groundwater, and some of them are toxic or carcinogenic.  

Answer:

Explanation:

Ummmm

Answer:

humidity

Explanation:

i search it up...

Answer:

7: A

8: B but I'm not sure

9: B

In Activity 2, the respirometer C serves as the control. A control is an essential part of any scientific experiment as it provides a baseline against which the experimental results can be compared.

Respirometer C containing only plastic beads does not contain any living organisms and therefore does not undergo cellular respiration. By comparing the results of respirometers A and B with the control (respirometer C), any changes in oxygen consumption and carbon dioxide production can be attributed to the metabolic activity of the germinated beans in respirometer A and the dormant beans in respirometer B.

This allows researchers to determine the specific effects of germination on cellular respiration by isolating the variables and eliminating any external factors that could influence the results.

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The correct option A. Italy, may have a pyramidal age model similar to that depicted in the figure (with diminishing growth).

Population pyramid: a visual representation of a population's age and sex distribution.

Thus, Italy, may have a pyramidal age model similar to that depicted in the figure (with diminishing growth).

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There are huge quantities of petroleum found under Earth's surface and in tar. Some experts predict peak oil could come as soon as 2050. Crude oil is composed of hydrocarbons, which are mainly hydrogen

Answer:The amount of each element that begins photosynthesis equals the amount of each element that is produced

Explanation:

Answer:

I believe c is the answer sorry if I'm wrong

Answer:

Here my answer goes.......

Explanation:

In biochemistry, a kinase is an enzyme that catalyzes the transfer of phosphate groups from high-energy, phosphate-donating molecules to specific substrates. This process is known as phosphorylation, where the substrate gains a phosphate group and the high-energy ATP molecule donates a phosphate group.

Answer:

yes you're good. D its the right

Answer: Epididymis

Explanation: The sperms are stored in the spiral structure of the epididymis for maturation and then released.

Sperm cells mature in the structure called the seminiferous tubules within the testes. After developing in these tubules, the sperm move to the epididymis where they continue to mature and then during ejaculation, they exit the body via the vas deferens. This highlights the different stages of sperm development and maturity in the male reproductive system.

Sperm cells develop to maturity in a structure called the seminiferous tubules, which are coiled inside the testes. The least developed sperm are located at the periphery of the tubule, while the fully developed sperm are in the lumen. Within the walls of these tubules, the sperm cells are mixed with Sertoli cells, also referred to as 'nursemaid cells', which protect the germ cells and support their development.

Once the sperm cells have developed, they exit the seminiferous tubules and move to the epididymis where they continue their maturation process. The epididymis is a coiled tube located on the top and posterior of the testes. Upon ejaculation, the mature sperm leave the epididymis, travel through the vas deferens, and form the ejaculatory duct.

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Ecological succession is initiated by changes that occur in the environment such as a disturbance; option B.

Ecological succession is the process by which the species present in a given habitat gradually change over with the parent species of organisms being replaced with new species of organisms until a stable species is established.

Ecological succession is initiated by changes that occur in the habitat.

These changes include biotic factors such as disease, and competition, and climatic factors such as wind, fire, soil erosion, and natural disasters include climatic factors.

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Answer:B. a disturbance

Explanation:

Answer:this would also stop gas exchange and further limit photosynthesis

Explanation: did this on USA test prep and got it right

This would also stop gas exchange and further limit photosynthesis. Therefore, option B is correct.

The content of cell sap is reduced as a result of the conversion of the organic acids into starch. This causes water to exit hard cells, and a decline in their turgor causes the stomata to close. Stomata therefore open throughout the day and close at night.

The pH of the guard cells controls stomatal opening, according to the starch sugar interconversion theory of stomatal opening. In neutral or alkaline pH, stomata open. When the guard cells are open during the day and closed at night, they contain starch during the day.

Under dehydration circumstances in the winter, stomata may close to reduce water loss for the tree. This would also stop gas exchange and further limit photosynthesis. Therefore, option B is correct.

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Itching and other skin problems are signs that a cat or dog may have flea. Fleas are parasites known for their biting and blood-sucking abilities. When they bite, flea saliva enters the pet’s circulatory system, sometimes causing an allergic response commonly seen as a “hot spot” on the pet’s neck or the base of its tail.

Fleas are tiny parasitic insects that infest the fur of dogs and cats. They feed on blood and cause skin irritation that results in itching. If the problem is severe, it can lead to more significant health issues. Pet owners should watch for signs of fleas and treat their pets promptly to avoid complications. Fleas lay eggs on the skin of dogs and cats, which hatch and develop into larvae.

The larvae feed on the skin, shedding as they mature. Adult fleas emerge from the larvae, biting the host to feed on blood. The process repeats itself, with adult fleas continuing to lay eggs on the skin of the pet.The most common sign of fleas in dogs and cats is itching. Pets will often scratch themselves, bite their skin, or lick excessively to relieve the irritation.

Other signs of fleas include red or inflamed skin, hair loss, and the appearance of small, raised bumps on the skin. These bumps are often referred to as "flea dirt" and are the waste products of the fleas. In severe cases, anemia, an allergic reaction, or the transmission of other parasites or diseases can occur.

Flea infestations can be treated with a variety of products, including topical treatments, shampoos, and collars. It is essential to follow the instructions on the product label and treat the pet and the surrounding environment to eliminate the fleas. Prevention is key to avoiding flea infestations, so pet owners should maintain a regular grooming and flea prevention schedule.

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According to the passage, the main difference between radar and lidar is their wavelength.

Radar and lidar are both remote sensing technologies used for detecting and measuring objects at a distance. However, they differ in terms of the energy they use and their measurement principles.

Radar (Radio Detection and Ranging) uses radio waves to detect and locate objects. It emits radio waves and measures the time it takes for the waves to bounce back after hitting an object. By analyzing the returned signals, radar can determine the distance, speed, and direction of objects.

Lidar (Light Detection and Ranging) uses laser beams to measure distances. It emits laser pulses and measures the time it takes for the pulses to bounce back after hitting an object. Lidar systems can measure the distance by calculating the time of flight of the laser pulses.

The passage indicates that radar uses radio waves, while lidar uses laser beams. This distinction in the type of energy used is a significant difference between the two technologies.

Another difference mentioned in the passage is the measurement principle. Radar measures distances based on the time it takes for radio waves to return, while lidar measures distances based on the time it takes for laser pulses to return.

The passage does not provide further details about other differences between radar and lidar, such as their applications, advantages, or limitations. Therefore, the main difference highlighted in the passage is the type of energy used and the measurement principle.

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In biodome ecosystems, the level of carbon decreases from producers to consumers and then increases in decomposers.

A biodome ecosystem is also known as a biosphere or an ecodome. It is a closed and controlled environment that replicates natural ecological systems. It is a man-made structure designed to sustain and support various plants, animals, and microorganisms within a controlled atmosphere.

Biodomes are often built as large enclosed structures, typically with transparent walls and roofs to allow sunlight to penetrate. The purpose of a biodome ecosystem is to create a self-sustaining environment.

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Answer:toes

Explanation:

Fingers

Answer:

it gives water and hold the plant

and contrubite food for the whole part

Explanation:

The amphipathic nature of the phospholipid leads to the formation of the phospholipid bilayer organization because the phospholipid molecules contain both hydrophilic and hydrophobic properties.

Phospholipids' amphipathic nature means that their molecules have both hydrophilic and hydrophobic characteristics. The fatty-acyl tail of the phospholipid is non-polar in nature, but the head group of the phospholipid is polar.

Thus, this property of phospholipids caused the arrangement of the phospholipid bilayer of the plasma membrane, where the non-polar fatty-acyl tail is buried inside the hydrophobic interior of the bilayer, which is away from the aqueous phase, and the polar head groups face the cytosolic and extracellular faces, which are exposed to the aqueous medium.

Similar to how lipophilic molecules may easily penetrate the cell membrane, polar drugs must be changed in order for them to do so since they cannot do so in the polarized condition.

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Answer:

Igneous rock because it forms when hot molten rock (lava) crystallizes and solidifies .

Explanation:

Have a Nice day!!  :D