Warmer, colder
Convection is the transfer of heat by the movement of a fluid (liquid or gas) between areas of different temperature.
Warmer fluid is less dense so it rises and colder fluid is more dense so it sinks.
I think the answer is a because it is losing mass do to it melting not completely sure tho
Answer:
Explanation:The investigation is aimed at understanding
1. how molecular size affects movement through a membrane.
Therefore
2.Add more of the proteins to the plasma membrane.
Then measure the rate of the particle movement
D. butterflies (they eat plants so they are a consumer)
The energy before and after a process must be the same.