Most geologists think that the movement of earth's plates is cause by
a) conduction
b) earthquake
c) convection currents in the mantle
d) earth's magnetic field

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.

Atelevision set that has been running for a while heats up even the air around it. which two laws of thermodynamics could be used to analyze this scenario

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?