An aloe vera plant possessing a trait for extra thick leaves survives very long droughts in deserts, while and aloe vera plant that doesn't have thick leaves doesn't.
Answer:
I would say fossil evidence because fossil and rock clues are what led to Wegener's theory of Continental Drift
Primary succession would most likely occur after a lava flow.
Answer:
The density of water increases as the salinity increases. The density of seawater (salinity greater than 24.7) increases as temperature decreases at all temperatures above the freezing point. The density of seawater is increased by increasing pressure.
Explanation: