Earth's atmosphere is made up of a combination of gases. The major components of nitrogen, oxygen, and argon remain constant over time and space, while trace components like CO2 and water vapor vary considerably over both space and time.
Answer:
<h2>True</h2>
Explanation:
That's my answer hope it helped
If only I was smart then I could help you :/ no but like for real im madddd dumb sorry :(
Only mitotic divisions change the zygote to embryo. The other sentences are related to the way zygote is created
