The figure shows two water molecules held together by a/an
bond. (arrow tip)

A. covalent
B.hydrogen
C.ionic
D.van der Waals

Answer:

what is the image?

Explanation:

Answer:

obesity leads to high blood pressure and the build up of fatty deposits in the arteries which leads to cardiovascular disease. diabetes affect your risk if heart disease.

Tertiary consumers in a food chain or food web are animals that obtain their nutrients and energy by feeding on other animals within the same food chain or web.

Tertiary consumers are usually at the top of the food chains in their ecosystem. They have the capacity to feed on animals that consume grasses directly (primary consumers) or even on animals that feed on other animals (secondary consumers).

Secondary consumers, on the other hand, are animals that feed on primary consumers. They, at the same time, serve as prey for tertiary consumers in the ecosystem.

Thus, an animal that has the capacity to be both a secondary and a tertiary consumer would have the capacity to feed on other animals as well as be hunted as food by other members of the ecosystem.

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Umm...I'm not entirely sure since there isn't an image displayed prior to the question, but I think out of the options given, the animal that it both a secondary and a tertiary consumer would be the lion. Then again, not entirely sure. I'm taking the assignment now, so I can let you guys know to confirm.

Answer:

perfect cube shape

Explanation:

the shape of a cell is perfectly cube- shape then its volume must be calculated with an equation:

Height×Width×number of sides and number of boxes

Surface= area of volume ratio is calculated with an equation

Area /volume

if a cell has large surface area to volume into ratio means it has greater exposure to the environment.It means that flow of nutrients and gases move freely in the small cell compared to large cell.

Answer:

circulatory, respiratory, muscular, digestive, integumentary, endocrine, reproductive, and nervous systems.

Explanation:

hope it helps

pls mark me as brainliest

Answer

Hello

How are u doing

Answer:

Water wets glass and spreads out on it because the adhesive forces between the liquid and the glass are stronger than the cohesive forces within the water.

Explanation:

i just answerd it

Answer:

I think you answered your own question

Answer:An increase in temperature increases kinetic energy of particles, so collision frequency increases and more enzyme-substrate complexes are formed, therefore rate of reaction increases.

Explanation: i no it

Answer:

Velocity vs Time: The object's velocity increases as it accelerates at the beginning of the journey. It remains the same in the middle of the journey (where there is no acceleration). It decreases as the object decelerates at the end of the journey.

Explanation:

Hope it helps

Answer:

Humans have a big impact on the extinction of animals. Some things that humans do that effect extinction include: Poaching is when someone illegally hunts or catches animals. Some animals that are commonly poached are elephants and rhinos for their tusks.

Explanation:

Earthworms and bacteria organisms obtain energy from dead or decaying matter.  Thus, the correct option is C and D.

The term "organic matter" refers to material that contains carbon compounds produced by living things. Lawn trimmings, leaves, twigs, branches, moss, algae, lichens, any animal parts, sewage sludge, sawdust, insects, earthworms, and bacteria are just a few examples of what it includes.

The main decomposers in many ecosystems are fungi and bacteria, which utilise the chemical energy in dead matter and wastes to power their metabolic processes. Detritivores, sometimes known as trash or debris eaters, are other types of decomposers. Typically, these are creatures with several cells, like vultures, earthworms, crabs, or slugs.

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Answer:

C, D

Explanation:

i took the test

Answer:

Sorry only paragraph I'm on phone.

Explanation:

Fruits and vegetables have changed a lot since the onset of agriculture 10,000 years ago, as generation after generation of farmers artificially bred crops to select for more desirable traits like size and taste.

Answer:

In the dehydration synthesis reaction above, two molecules of the sugar glucose (monomers) combine to form a single molecule of the sugar maltose. One of the glucose molecules loses an H, the other loses an OH group, and a water molecule is released as a new covalent bond forms between the two glucose molecules.

Explanation:

i hope this helps anyway

Glucose molecules bond together in a process known as dehydration synthesis. The process includes 1 water molecule is lost (OH + H) for every bond formed. The correct option is C.

Dehydration is a process of chemical reaction in which water is lost. A water molecule is released during the process of making larger molecules out of smaller monomers, which is known as dehydration synthesis.

In the synthesis process, the glucose monomers are bonded together and with each bond, the water molecule is lost in the process. From monomers of glucose, polymers are formed, like starch, and cellulose.

Polymers are formed through the process of dehydration synthesis. These polymers are DNA, proteins, and carbohydrate.

Thus, the correct option is C. 1 water molecule is lost (OH + H) for every bond formed.

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Answer:

Not every cell in the human body contains DNA bundled in a cell nucleus. Specifically, mature red blood cells and cornified cells in the skin, hair, and nails contain no nucleus. Mature hair cells do not contain any nuclear DNA. ... As part of the maturation process, human red blood cells destroy their cell nuclei.

This means they have no mitochondria, Golgi apparatus, or endoplasmic reticulum. They also lack a membrane-bound nucleus, although they do have genetic material located in a nucleoid region. Prokaryotic cells are surrounded by a plasma membrane, and some types of bacteria have cell walls as well.

Nucleolus. Within the nucleus is a small subspace known as the nucleolus. It is not bound by a membrane, so it is not an organelle. This space forms near the part of DNA with instructions for making ribosomes, the molecules responsible for making proteins.

Explanation:

Limit fishing around reefs would not help to protect the diversity of coral reefs.

Coral reefs are among the world's most diversified ecosystem and an underwater habitat that is characterized by corals that construct reefs. 

Coral polyps, the invertebrates responsible for reef formation, come in a variety of shapes and sizes, including vast reef-building colonies, graceful flowing fans, and even small, solitary species.

Coral polyp colonies are bound together by calcium carbonate to build reefs.

According to UNESCO, if we continue to generate greenhouse gases at current levels, the coral reefs in all 29 reef-containing World Heritage sites would be extinct by the end of this century.

The Paris Agreement's goal of keeping global average temperature far below 2°C above pre-industrial levels is the only way for coral reefs to survive.

Hence the correct option is B.

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I am not sure but I think Quizlet is the right answer

Answer:

1. Snail

2. Leukemia

3. Haemoglobin

4. Vertebrate

5. Fracture

6. Femur

7. Cockroach

9. Respiration

Diseases afflicting the muscle and skeletal system are termed as musculoskeletal system disorders. Some of the common musculoskeletal system diseases include arthritis, osteoporosis, dislocation, sprain, rickets, muscular dystrophy, tetany, etc.

One way to adapt to this situation would be by reducing water use to strictly necessary activities and collecting water from alternative sources such as rain.

Due to scarcity, in this situation, people could not use water for recreation such as water in pools, and in general water usage is limited.

Possibilities are restricted in this situation since it is not a good idea to continue using water excessively. Instead, the best is to:

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After a few hours, the cells of each sponge would re-aggregate and form three new sponges.

We can reach this answer because:

In this case, if three sponges had their composition sieved and mixed, the glycoproteins of their cells would allow each sponge to be remade, as there would be communication and a regrouping of the cells of each sponge.

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Answer:

Diffusion is a very slow process. If multicellular organisms used diffusion to meet all requirements of food, exchange of gases or removal of wastes it would take too much of time for carrying.

Explanation:

Answer:

On a biological level, the main difference is that bacteria are free-living cells that can live inside or outside a body, while viruses are a non-living collection of molecules that need a host to survive.

Explanation:

Electrons are typically removed from the valence shells, which are the highest s and p orbitals. Also, Hund's rule still applies here, but backwards. Electrons will be removed from their orbitals until all of them are unpaired, and then the unpaired ones will be removed.

May be true because velence shell is the outermost shell which can be removed.

Answer:

Explanation:

the path of a nerve signal involved in kicking a ball .When and where do you motor or sensory nerves fire?​

The nervous system is made up of two parts. Each part contains billions of neurons. The first part is the central nervous system. It contains the brain and spinal cord, which is a fibrous, ropelike structure that runs through the spinal column down the middle of the back.

The other part is the peripheral nervous system. It consists of thousands of nerves that connect the spinal cord to muscles and sensory receptors. The peripheral nervous system is responsible for reflexes, which help the body avoid serious injury. It's also responsible for the fight or flight response that helps protect you when you feel stress or danger.

Let's examine an individual neuron up close.

Here is a peripheral nerve. Each one of the nerve bundles, or fascicles, contains hundreds of individual nerve.

Here's an individual neuron, with its dendrites, axon, and cell body. The dendrites are tree-like structures. Their job is to receive signals from other neurons and from special sensory cells that tell us about our surroundings.

The cell body is the headquarters of the neuron. It contains the cell's DNA. The axon transmits signals away from the cell body to other neurons. Many neurons are insulated like pieces of electrical wire. The insulation protects them and allows their signals to move faster along the axon. Without it, signals from the brain might never reach muscle groups in the limbs.

Motor neurons are responsible for voluntary control of the muscles all over the body. The operation of the nervous system depends on how well neurons communicate. For an electrical signal to travel between two neurons, it must first be converted to a chemical signal. Then it crosses a space about a millionth of an inch wide. The space is called a synapse. The chemical signal is called a neurotransmitter.

Neurotransmitters allow the billions of neurons in the nervous system to communicate with one another. That's what makes the nervous system the body's master communicator.