What is the term for the pattern of spiral impressions inside a handgun?

A) rifling

B) ejector markings

C) lands and grooves

D) extractor markings

Is it possible for an object that has a constant negative acceleration to change the direction in which it is moving.

In 1-2 sentences describe how your nose cleans the air you inhale. like do this for someone that's in 3rd grade don't make it to advance. i don't know how to word it.

Natalia is studying a wave produced in her magnetics lab. This wave can move through the empty space in a vacuum and carries a lot of energy. What wave is Natalia most likely studying?

Is a scientist who studies climate change. As part of a larger experiment, her work requires her to travel. Her company makes sure to send her in January, as the conditions in the area to which she is traveling are inhospitable in June.

Which transactions can increase the balance in a checking account? Check all that apply.

Jack drops a stone from rest off of the top of a bridge that is 24.4 m above the ground. After the stone falls 6.6 m, Jill throws a second stone straight down. Both rocks hit the water at the exact same time.

How is Electric current able to flow?

In a series circuit, loads which have the same voltage dropped across them will have?.

When a brick is dropped from the roof of a house, it lands on the ground with a speed v. What will the speed at ground level be for an identical brick dropped from a roof twice as high as the first one?

The scientific method begins with recognizing a problem. The recognized problem in this scenario is, "Why is the printer in the office not working?" Choose the hypotheses that are testable and from which an experiment can be formed.