Answer:
The scientist tested one variable to determine what caused the number of leaves to change.
Explanation:
Answer:
The third diagram shows Refraction of waves.
Explanation:
Refraction is a phenomenon, which occurs in a wave when it travels from one medium to another medium, and during Refraction there is slight or greater change in direction of the wave.
hence, the wave will pass through the surface and displaces from its actual path.
that's why the most appropriate diagram showing Refraction is third one ( c ) .
I think it's A
the cell membrane contain protein molecules
Answer:
Animal cells and plant cells
