It takes a photon 8 minutes and 25 seconds ro reach earth. What is the distance (labeled 1 au) in meter between the sun and earth? The speed od light un a vacuum is 3e8 m/s

Explanation:

We can use the equation of speed in terms of distance. We know that the speed of light is constant value so we will have:

Now we know that

I hope it helps you!

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-resources of geothermal energy range from the shallow ground to hot water and hot rock found a few miles beneath the earth's surface, and down even deeper to the extremely high temperatures of molten rock called magma

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-a geothermal heat pump system consists of a heat pump, an air delivery system (ductwork), and a heat exchanger-a system of pipes buried in the shallow ground near the building

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i think the answer is a and b

i wish you luck