The answer you are looking for is C
Answer:
1:to allow movement of small molecules in and out of cell
2
C. Both investigations have benefits and limitations and should be examined together to get the most reliable result
<span>The correct answer is a. the overuse of fertilizer lead to reduced crop yields over time. This was unexpected because it is common for fertilizers to increase the yields and the quality of the product, but what happens over time is the opposite so it can be said that it's an unexpected consequence.</span>
