Answer:
Gravity
Explanation:
Without gravity it would just float in space.
Please mark brainliest, i need two more to achieve expert
Answer:
genetic engineering !! :)
Explanation:
also, i love the pfp <3
It should be D, cells are parts, tissue is part and organ is part of a system.
Here is what radioactive decay is:
<span>Radioactive decay is the spontaneous breakdown
of an atomic nucleus resulting in the release of energy and matter from
the nucleus. Remember that a radioisotope has unstable nuclei that does
not have enough binding energy to hold the nucleus together.</span>
Erm, I think when they are little. When they are just born.