Answer:A plane's engines are designed to move it forward at high speed. That makes air flow rapidly over the wings, which throw the air down toward the ground, generating an upward force called lift that overcomes the plane's weight and holds it in the sky. ... The wings force the air downward and that pushes the plane upward.
Carbohydrates
I'm not sure but....Please correct me if I'm wrong!! :)
Answer:
I think the answer is B, Rivers. Mountain ranges don't really help the environment much as can mostly only change the climate.
Answer:A=V
Explanation:
It is used to move small or non polar molecules does not apply to facilitated diffusion. Small, non-polar molecules can diffuse directly across the phospholipid bilayer.