C. Photosynthesis which is a process of converting water and carbon dioxide into carbohydrates using sunlight. Nitrogen is not involved.
Answer:
The Moon is closer than the Sun to Earth.
Explanation:
Non polar molecule move across a membrane through simple diffusion, when moving up their concentration gradient. Simple diffusion involves movement of molecules through a membrane without the help of integral membrane protein. These molecules are driven by the force of diffusion. This is different from facilitated diffusion where molecules only move with the aid of integral protein in the membrane.
