Answer:
A. Mechanical weathering
Explanation:
Mechanical weathering can speed up weathering by fast, rapidly moving water. In the question, the process was caused when the student shook the jar with water and rocks inside.
Answer:
The number of protons equals the atomic number
Explanation:
the atomic number is the same number of neutrons and electrons. Neutrons would be considered mass number
When to plates collide. The two plates push each other upwards. Take two of your finger and push them together. That os what happens to the plates.
True flowers help in reproduction
The three colors of cellophane serves as the light source for the set-up. The three colors would give different wavelengths of light to the sample in the jar. It is the independent variable in this experiment. Hope this answers the question.