What traits can be changed by the enviroment

What is the problem in this article? what solution does the article propose?

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols