The correct answer is the second option. Animals have two major types: vertebrates and invertebrates. Vertebrates are animals that have backbone while the invertebrates do not have one. Examples for vertebrates are birds and mammals while the latter are insects and squid.
Answer:
Bile is produced by the liver and concentrated and stored in the gallbladder.
A. It generally releases more heat than nuclear fission.
It is important because you need vitamins and minerals from them e.g. Scurvy no vitamin c
Earth's atmosphere is 78%<span> nitrogen </span>21%<span> oxygen, </span>0.9%<span> argon, and </span>0.03%<span> carbon dioxide with very small percentages of other elements.
hope it helps</span>
