Answer:
A
Explanation:
I took the test and got it right.
<h2>
Answer:</h2><h2>☠☠☠⭐⭐</h2>
The efficiency of movement of substances in and out of a cell is determined by its volume to surface area ratio.
Human Environment Interaction
A minimum stream velocity <span>needed to keep a 6.4 cm diameter particle in motion must be 100 cm/s.
It can be concluded from Hjulstrome curve, a graph used to determine whether stream will transport, erode or deposit particles. The faster is the current, the heavier particles it could transport.</span>
