Which of the following simple machines includes a wedge?

A. axe

B. file

C. bolt

D. ramp

The element oxygen, represented by the symbol O, is classified as

Acid precipitation is caused by a mix of A. respiration, carbonic acids, and seawater. B. water, soil, and air. C. sulfur dioxide, carbon dioxide, and nitrogen oxides. D. hydrogen, oxygen, and saline.

How many valence electrons does an atom of rubidium have?

Why are gamma rays not affected by a magnet as they pass over it?

Suppose the gravitational force between two masses is 70 n. if the magnitude of one of the masses halves, what is the force between the masses?

What is electricity

What happens to the density as one progresses through the layers of the earth from the lithosphere toward the inner core

What is tiny holes on the surface of a plant?

How is aperture measured? What do the measurements mean?

The mass of the Sun is 1.99 * 1030 kg. Jupiter is 7.79 * 108 km away from the Sun and has a mass of 1.90 * 1027 kg. The gravitational force between the Sun and Jupiter to three significant figures is * 1023 N.