Answer: evolution i think
Explanation:
sorry if its wrong
The answer would be d. the population has increased and so has the demand for energy sources
Answer:
B because aveoli are part of the lung Branch and capillaries take in the oxygen with blood?
Explanation: my guess since carbon dioxide also needs to be excreted out of lungs.
Answer:
1) creatures and ecosystems in the ocean environments. the interactions of marine plants and animals with coastal areas and the atmosphere.
2) how a single tiny cell becomes a tree or a dog, how the human mind works, or how the different forms of life in a forest interact.
3) humans, animals, plants, and bacteria
4) Archeologist
how old is this fossil?
what is the condition of this fossil?
was this fossil a land or water fossil?
Explanation:
I found it by looking and researching