Answer:
Carbon dioxide because theres air water and sun and the air is oxygen
Answer:
The answwer is letter E.
Explanation:
Embryos. Because land plants evolved from aquatic green algae. The transition was easy because of the amount of traits that allowed the survival of the specie. One of these traits was the embryo, which is so essential that every land plants are known as embryophytes.
Answer: I'm pretty sure that is the nucleus and i am so sorry if i am wrong
Explanation:
Mass? bigger mass has more gravitational pull, like why Jupiter has almost 80 moons
The first one is A. But I can't see the rest for the next question.