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vlada-n [284]
3 years ago
9

What the heck is an isotope???

Biology
2 answers:
Katarina [22]3 years ago
4 0

Answer:

Isotopes are variants of a particular chemical element which differ in neutron number, and consequently in nucleon number. All isotopes of a given element have the same number of protons but different numbers of neutrons in each atom.

Explanation:

iris [78.8K]3 years ago
3 0

Answer:

any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in the nucleus, or different atomic weights. There are 275 isotopes of the 81 stable elements, in addition to over 800 radioactive isotopes, and every element has known isotopic forms. Isotopes of a single element possess almost identical properties.

Explanation:

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What controls the timing of The Great Migration?
Andreyy89

Answer:

The best time to see the Great Migration is during the dry season, between July and early October. It's warm, weather is stable, and animals are abundant. The sparse vegetation and dried-up waterways force the animals to head up north to find food and drink.

Explanation:

4 0
3 years ago
The surface of the skin can be mapped into distinct regions, each served by a single spinal nerve: these regions are called:
Ivan

Answer:

The correct answer is D. The surface of the skin can be mapped into distinct regions, each served by a single spinal nerve: these regions are called dermatomes.

Explanation:

A dermatome is the area of skin innervated by a single spinal nerve and its spinal ganglion. The cutaneous nerves are those that reach the skin, picking up the sensitivity of the skin. Each cutaneous nerve is distributed in a certain area of skin, called a dermatome.

A pair of posterior or sensory roots and a pair of anterior or motor roots arise from each cord segment, joining laterally at the level of the intervertebral foramen to form a mixed spinal nerve. Each of these innervates a strip of skin called a dermatome, so the body surface can be considered a true mosaic of these.

In the extremities the arrangement of dermatomes is more complicated because of the embryological rotation of the limbs as they grow from the trunk.

6 0
3 years ago
(30 points) {brainliest PLEASE HELP}
Pavel [41]

Answer:

the answer is d. Hope this helps

7 0
3 years ago
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If air temperature increased, how would it affect precipitation
Vlada [557]
It is more likely to cause precipitation as the oversaturated air forms moisture droplets that fall as precipitation. ... As the warm air cools, it loses its ability to retain moisture and becomes saturated, thus creating precipitation.
6 0
3 years ago
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Why are virus considered to be nonliving
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Answer:

because it doesn't need to consume energy to survive, nor is it able to regulate its own temperature.

Explanation:

Hope it helps! ^_^

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