Astraight road to the top of a hill is 2500 feet long and make of 12°with the horizontal. find the high of the hill

Which types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light? check all that apply. radio waves infrared light microwaves gamma rays visible light x-rays

What component of earth’s atmosphere exists entirely as a result of photosynthesis?

The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element