What is the source for geothermal energy? question options: the sun earth's internal heat moving water biomass

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.

What is the final velocity of the initial velocity of 25 and -50?

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest