I’m not sure but it looks like a new born..probably 1 month old.
Early RNA molecules were able to self replicate, which helps to explain why all organisms share the same genetic code.
Answer:
1 is b
2 is c
3 is either b or c
i don't really remember 4, sorry
Explanation:
Consumers give off carbon dioxide only plants take in carbon dioxide because they are producers so they produce oxygen for consumers