Which sentence best explains how a unicellular organism gets nutrients? Explain why. A. It has a digestive system that takes in nutrients

B. It takes in all its nutrients through the cell membrane

C. It combines specialized cells into tissues that take in nutrients

D. It relies on individual specialized cells to take in nutrients

The answer is B

Explanation:

I believe I already answered this question.  

the answers are a and c

the water is warmed up by the sun and then it evaporates into the atmosphere. the sunlight warms the water by its heat. water is then cooled down and condensation takes place. the water then finally returns back to the earth by the process of precipitation in the form of rain or ice.

explanation: