Answer:
D. rigidity and shape that's why in plants they stand upright for photosynthetic process.
Th earth scientists have improved our understanding with the environment because of their studies in which they had shown better understanding and explanation of occurrences with the means of having to provide not only explanation nor visuals but also providing proof of these mere existence that made people believe and understand the environment.
You're gonna have to give us a picture to support your question..
The nervous system coordinates it's actions by sending signals throughout the body
The answer to your question is A. Higher latitudes receive less radiation due to the curvature of the Earth.
Hope this Helps! :) please mark me Brainiest! :)