Select all the substances that can transmit sound waves.

a. air

b. wood

c. water

d. ground

e. oxygen gas

f. empty space

A force of 5 N accelerates an object. The object's mass is 50 g. What is the acceleration of the object? (Formula: F=ma)

After removing a TLC plate from the developing chamber, what is the first thing to do with the TLC plate?

One part of your body that tries to keep microbes out in youre

Two objects a and b have the same size and shape, but a is twice as heavy as b. when they are dropped simultaneously from a tower, they reach the ground at the same time. which has a greater momentum?

When do both hemispheres receive the same amount of the sun's energy?

In a research facility, a person lies on a horizontal platform which floats on a film of air. When the person's heart beats, it pushes a mass m of blood into the aorta with speed v, and the body and platform move in the opposite direction with speed

What are some ways the oceanic crust and the continental crust are alike?

Why is gangue sometimes reprocessed.

4.7 cm. The tube is sealed at one end and loaded with lead shot to give it a total mass of M = 130 g. The tube floats in water (of density 1 g/cm3) in vertical position, loaded end down.

Why is it incorrect to say that vascular tissue, gametophytes, and fronds are all found mosses