2 years ago

Atoms can have different numbers of which of the following electrons, protons neutrons or all of the above

1 answer:

7 0

Atoms may have different numbers of neutrons. Atoms are the smallest fraction of an element that can exist, and still show the properties of the element. They consists of electrons (negatively charged), protons (positively charged), and neutrons (no charge). The number of electrons is equivalent to the number of protons normally however an atom may loose or pick up electrons and have a positive charge or negative charge. The number of neutrons in the nucleus may vary within a given element to give varieties of atoms we call isotopes.

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How is fur helpful for organisms living in cold environments?

garri49 [273]

Fur has a thick layer of protection to help protect..say a bear in this case. A polar bear's fur is helpful in the cold, to prevent the bear from freezing to death.

But since a polar bear eats fish and things that it's used to in Antarctica, it probably won't adapt as easily.

I hope I helped!

8 0

2 years ago

Read 2 more answers

The epithelial cells in the skin of an animal have 24 chromosomes. How many chromosomes are present in the gametes of this anima

mrs_skeptik [129]

Answer:

There will be 12 chromosomes

Explanation:

We have given that The epithelial cells in the skin of an animal have 24 chromosomes

We have to find the number of chromosomes present in the gametes of this animal

We know that number of chromosomes present in the gametes is given by

$\frac{number\ of\ chromosmes\ present\ in\ skin}{2}$