Answer:
Invertebrates share four common traits:
They do not have a backbone. They are multicellular. All the cells have different responsibilities in keeping the animal alive. ... They reproduce by two reproductive cells, or gametes, coming together to produce a new organism of their species.
Explanation:
The answer is "All of the above".
The answer is B. Chromosomes which you get from your parents
Answer:
I think its A
Explanation:
Because the reason why airplane have closed windows is because we can't breathe in carbon dioxide when we go up. Of course there is oxygen just not a lot as we go up. Why would there be helium in the air? We would sound weird when we skydive.
