Julia is in a car with her father. the car is undergoing centripetal acceleration. what is happening to the car?
a.) the car is changing direction at a constant speed.
b.) the car is changing direction and speeding up.
c.) the car is slowing down.
d.) the car is stopping suddenly.

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.