I think this question is missing something. Can you check and repost it?
Answer:
Oxygen atoms contain 16 times more mass than Hydrogen atoms.
(a brainliest would be appreciated)
Reproduction? I could be wrong though
That is correct. Any animal that produces milk is a mammal. That is the key characteristic that defines Class Mammalia.
Answer:
Level 1: Plants and algae make their own food and are called producers. Level 2: Herbivores eat plants and are called primary consumers. Level 3: Carnivores that eat herbivores are called secondary consumers. Level 4: Carnivores that eat other carnivores are called tertiary consumers.
