Why is wind created when cold air rushes into an emptier space? A: The water cooled the air and attracted more cold air.
B. Warm air was being pulled to the right of the air mass.
С. As the air was warmed at a lower altitude, it then warmed Earth's surface.
D. As the air was warmed near the Earth's surface, it became less dense and rose.

the answer is c) an oak tree

im back lol i heard you where asking for me

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

the water is warmed up by the sun and then it evaporates into the atmosphere. the sunlight warms the water by its heat. water is then cooled down and condensation takes place. the water then finally returns back to the earth by the process of precipitation in the form of rain or ice.

explanation: