What uses the energy of sunlight to produce glucose during photosynthesis

False  i read once that you can't do more than two activities at once

The correct answer for the first question is a. because if cold air is denser then the warm air will be pushed out of the way. the coreect answer for the 2nd question is a.

They coasters are in tear-drop form because of physics. if the ride was in a complete circle, how would the coaster get into the loop, let alone get out of the loop? also, the reason why most coasters are in tear-drop form is because of acceleration. the steeper the turn, the faster the ride.