All of the above options are correct because all the given three options are possible
Cladistics is based on the shared characteristics between organisms and their network of evolutionary relationships
Answer:b) The air at high altitudes are less dense, so its harder to breathe.
Explanation:
AS altitude increases, the air pressure drops. This reduces the amount of gas molecules in the air so the air becomes less dense compared to air closer to sea level.
The answer to this question is stage 2 - Mitosis
