What factor affects the amount of air resistance experienced by an object? a)time in contact with the air. b) weight of the object. c)distance traveled by the object. d)surface area of the object.

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature above 37 degrees celsius (98.6 degrees f)? describe what might happen if the temperature decreased by 10 degrees celsius.

Why do oceanic plates tend to subduction when colliding with a continental plate

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion