Molecules cannot react chemically unless they are......

a) polar b)solvents c)active d)in solution

*PLEASE ANSWER WITH EXPLANATION.*​

The edaphic factor includes a range of proprieties of the soil, physical, chemical, and biological that are result from biological and geological phenomena. In the case of living organisms, we have those chemical and physical properties, such as minerals and water, as well as soil aeration influence ecology and evolution of plants and in consequence, associated biota, this is because plants are the base of the food chain as well as pioneers in many cases of ecosystem structure.

Following this line of thought, we have that soil is very important, factors as simple as the consistency, very different sand from mud, impact texture and chemical composition, and in consequence the type of organisms that can settle there, we can see that in deserts (sandy soil, limited water, good nutrients), the type of plants that grow have certain characteristics, for example, they live with very few water, and in turn, they provide refuge and food for other animals in the desert, on the other hand, we have places like confers forests, where the soil is rich and water is available in the subsoil, also tend to be mountainous sites, those plants are adapted to other conditions, their roots retain soil preventing erosion, also the kind of animals that depend on them are different.

Answer: The correct answer is choice D.

Explanation: We can see on the cladogram that these two are in the same branch and lead to the same common ancestor. These two happen to share the most recent common ancestor, however.

Microsporocytes divide by meiosis to produce haploid cells that develop into pollen grain.

Angiosperms, like gymnosperms, are heterosporous. As a result, they create megaspores, which form an ovule containing female gametophytes, as well as microspores, which will produce pollen grains as the male gametophytes. The haploid unicellular microspores and megaspores are produced during meiosis in mature diploid sporophytes. The male gametophyte, which consists of a haploid vegetative cell and a haploid generative cell, is produced by the microspore going through mitotic divisions.

The formation of four haploid microspores by the microsporocyte's meiosis marks the start of the process. The pollen grain is a two-celled creature with a tube cell and a smaller generative cell and is created when the nucleus of each microspore splits by mitosis.

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Answer: (B)

Explanation: They are asking for a comparison between light waves and sound waves.
A  and C is wrong because it only says about sound waves
D only says about sound waves
E is completely wrong because they are affected differently in different mediums.

Answer:

carbohydrates

Explanation:

carbs are a form of glucose because carbs are made from simple sugars which form up the bonds to create glucose, sorry if this is a little confusing.

Answer:

This question lacks options, however, it can be answered based on general understanding.

The green plant died because of absence of LIGHT

Explanation:

Plants (green) are autotrophic organisms i.e. organisms that are capable of synthesizing their own food via a process called PHOTOSYNTHESIS. However, on the other hand, mushrooms (kingdom FUNGI) are heterotrophic organisms i.e. rely on other organisms for energy source and cannot make their own food.

Green plants strictly require light energy from the sun in order to perform the process of photosynthesis. According to this question, a set of 25 green plants and 25 mushrooms were put in a cool, dark room for two weeks and watered daily with 50 mL of a 0.1% fertilizer solution. The green plants, despite the nutrients and regular watering dies because they were not exposed to LIGHT in order to make their food via photosynthesis. However, since light is not a requirement for mushrooms to obtain food, they will surely survive.

In the early stages of Retinitis Pigmentosa, peripheral rod receptors are destroyed leading to poorer peripheral vision. Retinitis Pigmentosa (RP) is a group of rare genetic disorders that affect the cells of the retina, which are responsible for converting light into electrical signals and sending them to the brain.

RP typically affects the rod photoreceptor cells in the retina, leading to progressive vision loss, night blindness, and tunnel vision. In the early stages of RP, peripheral rod receptors are destroyed, leading to poorer peripheral vision, while the central cone receptors are usually spared.

However, as the disease progresses, both the rods and cones are affected, and the central vision may become affected as well.There is currently no cure for RP, but there are some treatments that can help slow the progression of the disease, such as vitamin A supplementation and gene therapy. Additionally, assistive devices such as magnifiers, screen readers, and mobility aids can help people with RP maintain their independence and quality of life.

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During meiosis, homologous chromosomes may exchange genetic material during a process called crossing over. This process is beneficial for organisms in several ways.

Let's understand it in detail.Benefits of crossing over process Crossing over is a natural phenomenon that occurs during the cell division process of meiosis I. The significance of crossing over is that it creates genetic diversity in gametes, which can result in genetic variation in offspring. The exchange of genetic material between homologous chromosomes is not precise and, as a result, can produce gametes that have a different combination of alleles than the parent cell.

This diversity can contribute to the survival of a species in several ways:

1. It provides an organism with an enhanced ability to adapt to changing environments.

2. It enhances the survival of a species in a changing environment.

3. It promotes the development of new traits that can be beneficial to the organism in new environments .

4. It prevents a population from becoming homogeneous by maintaining genetic variation in offspring.

5. It creates new combinations of alleles, increasing the number of possible genotypes, which increases the chances of producing offspring with beneficial traits.

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Colony Collapse Disorder (CCD) is a phenomenon characterized by the sudden disappearance of worker bees from beehives, leaving the queen and a few immature bees behind.

The causes of CCD are not fully understood, but prevailing hypotheses include pesticide exposure, parasites and diseases, poor nutrition, and various stress factors. These factors likely interact and contribute to the decline of honeybee populations.

Understanding CCD is crucial for implementing effective strategies to mitigate its impact, including promoting sustainable agricultural practices, reducing pesticide use, improving beekeeping management, and enhancing habitat and forage availability.

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Honeybees provide one of the most important ecosystem services: pollination - and they do this for free! We are experiencing huge losses in pollinator populations throughout the United States and the rest of the world. The decline is so great that many farmers now must import European honeybees to pollinate crops. In 2006, an emerging issue called Colony Collapse Disorder (CCD) caused massive declines in beehives. These declines are still a problem today. Respond to the following prompts in your initial post this week: 1. What is Colony Collapse Disorder and what are the prevailing hypotheses for what causes CCD?

Answer:

lipids

Explanation:

edge2021

Answer:

lipids.

Explanation:

The existence of peptide bonds, which are a hallmark of proteins, is assessed using the qualitative Biuret reagent test.

The body is made up of protein, which may be found in almost every organ, tissue, and body component, including muscle, bone, skin, and hair. It contributes to the production of haemoglobin, which transports oxygen in the blood, and enzymes, which drive numerous chemical processes.

Protein is used by the body in a number of ways. It promotes metabolic responses, supports tissue growth and repair, and synchronises biological processes. Proteins give your body a structural foundation while also ensuring optimal pH and water balance.

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True. Our sun is a main sequence star that is currently burning hydrogen into helium through nuclear fusion. Eventually, it will exhaust its supply of hydrogen and begin burning helium into heavier elements.

As it runs out of fuel, it will expand into a red giant, swelling to several times its current size and engulfing nearby planets.After expelling its outer layers, the sun will collapse into a hot, dense core known as a white dwarf. The ejected material will form a glowing cloud of gas and dust called a planetary nebula. The white dwarf will slowly cool over billions of years, eventually becoming a cold, dark object known as a black dwarf.

This process is the fate of all stars with masses less than about 8 times that of our sun. More massive stars will end their lives in more dramatic explosions called supernovae. The study of stellar evolution and the ultimate fate of stars is an important area of research in astrophysics.

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Explanation:

Answer:

A stroller being pushed

Explanation:

The consequence of lack of precipitation is drought.

Drought refers to the lack of or inadequate precipitation in an area.

When there is drought, crops suffer from inadequate water. Inadequate water will impair important growth and reproductive processes in plants, resulting in crop failure.

Without adequate water, plants cannot photosynthesize, divide mitotically or meiotically, and the required nutrients for growth become unavailable in the soil.

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cells of the highlighted structure produce pancreatic juices  is the Acinar cells.

option D is correct.

The pancreas is  described as an organ that is located behind the stomach. It has an endocrine function because it releases hormones directly into the bloodstream. Insulin and glucagon are the two main hormones that the pancreas produces that help regulate blood sugar levels.

In order to aid in food digestion, the pancreas also performs an exocrine function, secreting digestive enzymes into the small intestine. Acinar cells, which are located in the pancreas, are the cells that secrete pancreatic juice.

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Complete question:

Which cells of the highlighted structure produce pancreatic juices?

a. hepatocytes

b.alpha

c.beta

d. acinar

Answer:

Yes, the significance of physical evidence has grown through new tests.

Explanation:

Answer:

Essentially, the population that lived on Easter Island was trapped and eventually died off.

Explanation:

The people on Easter Island started creating the famous statues that I'm sure everyone knows about today, to help protect them from possible invaders. Once the people started settling in, they were provided with a number of natural resources and supplies, which unfortunately they had taken these resources for granted. Since they had been using all of the island's resources and using the many trees there for their civilization, they had no means of leaving the island once the last trees were gone. They were pretty much trapped on a dead island due to them causing the island to go through deforestation.

Answer:

D i think

Explanation:

not 100% sure

A common inhabitant of the supratidal zone on the rocky shores of the Pacific Northwest is the gooseneck barnacle. Therefore, option (A) is correct.

In the ocean intertidal zone, goose barnacles, also known as stalked barnacles or gooseneck barnacles, are filter-feeding crustaceans that live on the hard surfaces of rocks and other flotsam.

Barnacles are a kind of crustacean that are related to lobsters and crabs. Goose barnacles channel feed on tiny fish and debris, catching it from the water with their uncommonly adjusted legs.

They can grow to about 8 centimeters in length. Like a few different shellfish, goose barnacles are bisexual: with eggs and sperm present simultaneously, in spite of the fact that they don't self-prepare.

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Answer:

gamma-rays

Explanation:

Hope this helped!

Answer:

A covalent bond forms when the difference between the electronegativities of two atoms is too small for an electron transfer to occur to form ions. Shared electrons located in the space between the two nuclei are called bonding electrons. The bonded pair is the “glue” that holds the atoms together in molecular units.

Answer:

A covalent bond forms when the difference between the electronegativities of two atoms is too small for an electron transfer to occur to form ions. Shared electrons located in the space between the two nuclei are called bonding electrons. The bonded pair is the “glue” that holds the atoms together in molecular units.

Explanation:

Answer:

An example of structural adaptation for reproduction with plants is c. Deep root systems.

Deep root systems are a structural adaptation that allows plants to access water and nutrients from deeper layers of soil, increasing their chances of survival in dry or nutrient-poor environments. These deep roots also allow the plant to establish itself firmly in the soil, increasing its chances of reproducing successfully.

Option a. Flexible stems, b. Spines development and d. Ballistic seed-dispersal are not structural adaptations related to reproduction, but other strategies that plants use to survive in different environments. Flexible stems allow plants to bend and sway in the wind without breaking, spines development protect plants from herbivores and Ballistic seed-dispersal is a way for plants to scatter their seeds away from the parent plant.

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The first gap (G1) between the final mitosis and the DNA-synthesising S phase and the second gap (G2) between the end of the S phase and the subsequent mitosis, is the time when the cell is not actively dividing (M).

They give the body its framework, take in food's nutrients, convert them into energy, and carry out certain functions. Cells also carry the genetic material of the organism and are capable of self-replication.

Somatic cells are those seen in the body that are neither sperm nor eggs and sperm (which are called germ cells). Human somatic cells are diploid, meaning they have one chromosome from each parent.

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Answer:

B- Cells continue to grow and divide in an uncontrolled manner.

Explanation:

Some proto-oncogenes provide signals that lead to cell division, when mutated, will call uncontrolled cell division.

Answer: Cells continue to grow and divide in an uncontrolled manner.

Explanation:

The best option would be the letter B. At night, the stomata are closed so water in the leaves cannot evaporate, which reduces the need fro absorption of water at the root.