How does convection occur in the troposphere? A. The Sun’s rays heat Earth’s surface
B. Warm air rises and cool air sinks
C. The warm ground heats the air above it
D. The Sun’s electromagnetic waves reflect off clouds

Like a key in a lock, the shape of the. must bind with the. of the recieving neuron

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?