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Tomtit [17]
3 years ago
8

In the carbon cycle, carbon is found in a. the atmosphere b the soil c. living organisms d. all of the above.​

Biology
1 answer:
murzikaleks [220]3 years ago
7 0

Answer:Carbon is stored on our planet in the following major sinks (1) as organic molecules in living and dead organisms found in the biosphere; (2) as the gas carbon dioxide in the atmosphere; (3) as organic matter in soils; (4) in the lithosphere as fossil fuels and sedimentary rock deposits such as limestone, dolomite and ...

Explanation:

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PLS HELP!
KatRina [158]

Answer:

D. One is polar, and one is nonpolar

Explanation:

8 0
3 years ago
Receptors for acetylcholine are located on the
elena-s [515]

Answer:

plasma membrane of the target cell

Explanation:

There are two main types of acetylcholine (ACh)receptors:

  1. muscarinic ACh receptors (because muscarin as agonist) which are G-protein coupled receptors that initiate slow response. Mostly, they are located in the central nervous system-CNS (involved in the release of neurotransmitters), heart (control of the heart rate), smooth muscles (contraction).
  2. nicotinic ACh receptors (nicotin is agonist) which are  ligand-gated ion channels involved in the fast response. They are located at neuromuscular junctions but also in CNS (involved in synaptic transmission between two neurons).
4 0
3 years ago
EASY PLEASE HELP!!!!!!!!!
kotykmax [81]

Answer:

third choice is the right answer

6 0
3 years ago
The nervous system consists of neurons throughout the body, all of which can communicate with one another. This demonstrates the
Savatey [412]

Explanation:

The nervous system is a set of cells specialized in the conduction of electrical signals. It is made up of neurons and glial cells. Neurons have the function of coordinating the actions of living beings in the animal kingdom by means of chemical and electrical signals sent from one place to another in the organism.Most multicellular animals have nervous systems with similar basic characteristics, although with a degree of complexity very variable. Only animals that do not have well differentiated tissues and organs, such as porifers (sponges), placozoa and mesozoa, lack it.

The nervous system captures stimuli from the environment, (external stimuli) or signals from the same organism (internal stimuli), processes the information and generates different responses depending on the situation. As an example we can consider an animal that, through the light-sensitive cells of the retina, captures the proximity of another living being. This information is transmitted through the optic nerve to the brain that processes it and emits a nerve signal that, through the motor nerves, causes the contraction of certain muscles in order to move in the opposite direction to the potential danger.

7 0
3 years ago
Read 2 more answers
Fossil fuels currently account for the majority of the world’s energy use because they are ____. A. distributed evenly throughou
MrRissso [65]
You can answer the question by knowing that A) , B), and D are false. They are non-renewable (wind power is renewable), they are for example more present in Saudi Arabia than on other countries and they are very polluting, which is why we try to limit their use.

Therefore the correct answer is C.
6 0
3 years ago
Read 2 more answers
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