The answer to your question is c because ecology is in fact the study of ecosystems; how organisms interact with their surroundings
The answer is B. This is because baby dolphins, when born, can't really comprehend a lot of things yet, so they, and the more adult dolphins there, try to get to the surface of the ocean to take a breath. :D I hope I helped!
Answer:
This is not a question we can answer, this is a question only you can answer because it is asking for your personal belief on wether alien's exist outside of earth or not.
Explanation:
Answer:
Most of the stars in our galaxy are made of hydrogen gas.
