Answer:the answer is the vacuole
Which would be letter H
Absorption and release of heat when hydrogen bonds break and form.
Answer:
There are two main types of physical weathering: <u>Freeze-thaw</u> occurs when water continually seeps into cracks, freezes, and expands, eventually breaking the rock apart. <u>Exfoliation</u> occurs as cracks develop parallel to the land surface a consequence of the reduction in pressure during uplift and erosion.
It is very important to control the conditions of an experiment because FAILURE TO DO THIS WILL MAKE THE RESULTS OF THE EXPERIMENT INVALID.
A controlled experiment refers to an experiment that is conducted under controlled conditions. Conducting experiments under controlled conditions helps scientists to minimize the changes in all other variables with the exception of the ones been tested.
