What impact can a very large volcanic eruption have on earths climate

A computer has a mass of 3 kg. what is the weight of the computer

How does a stars life begin?

A magnetic field produced by a current has the following characteristic (s) A. their field can be turned on and off B. they can have their strength changed C. their direction could be reversed D. All of the above E. none of the above

Elements that are gases, brittle and poor conductors are?

High values of Ksp greater than 1.0 infer: The solid phase is relatively insoluble. The solid phase is relatively soluble. The chemical reaction proceeds readily to the right. The chemical reaction proceeds readily to the left.

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a boy hears the echo of his own voice from a distance hill after 0.8 seconds. If the speed of sound in air is 340m/s, calculate the distance of the hill from the boy.

Which of the following are found in plant cells buh not animal cells?

The diagram shows the field lines near the poles, X and Y, of two magnets Based on the field lines, what are the poles of the magnets? O X: north Y south X: south Y north X north Y north Х Y X south Y south

Why is it safe to watch an eclipse of the Moon but not an eclipse of the Sun