What is halley's comet made of?

How many eclipses normally occur each year? a. 2 b. 5 c. 7 d. 4

Which state of matter is usually most dense?

Which statement is true for one molecule of sulfur trioxide? there are three atoms of sulfur and one atom of oxygen. there are three atoms of sulfur and three atoms of oxygen. there is one atom of sulfur and one atom of oxygen.

What does resist mean

Why is it good idea for carriers for disease genes to get tested before having children?

A person drives north 6 blocks, then turns west, and drives 6 blocks. The driver then turns south and drives 6 blocks. How could the driver have made the distance shorter while maintaining the same displacement?

A 3 kg bowling ball is thrown onto a mattress. If it takes 0.3 seconds to stop the ball using a force of 24 N, what was the initial velocity of the bowling ball when it first touched the mattress?

Slope 1/2 y-intercept - 5

The water level in identical bowls, A and B, is exactly the same. A contains only water; B contains floating ice as well as water. When we weigh the bowls, we find that Group of answer choices

A man pushes down on a lever with 45 N and the lever moves 1.5 meters. The other end of the lever lifts a 87.6 N box. 4 meters. What is the efficiency of the lever?