I think the answer is 3 and 4
Answer:
The answer is D.
Explanation:
Feel free to mark brainliest.
Answer:
This statement is true, as the inner core is the most dense layer of the earth.
Answer: B:The drought decreased the grass and vegetation on the ground, leaving only vegetation on shrubs and trees above the ground. Natural selection selected for the tortoises with the domed shells and hoods.
Explanation:
Certain Protiens, amino acids form protiens