Which of the following is the densest layer of the solid Earth?

atmosphere

crust

mantle

core

What is the weight, on Earth, of a book with a mass of 1.5 kg? 1.5 N 6.5N 11.3 N. 14.7N

A bicyclist is moving at a speed of 5.5 m/s. she squeezes the brakes, giving her an acceleration of - 2.1 m/s². how fast is the bicyclist going after 0.3 seconds of applying the brakes?

Which of the following is true regarding units of geologic time? A. Eras are divided into periods; periods are divided into epochs. B. Epochs are divided into periods; periods are divided into eras. C.

Which of the following statements are true? Check all that apply. A) The electric field between the plates of a parallel-plate capacitor is uniform. B) A capacitor is a device that stores electric potential energy and electric charge.

Which statement best describes the relationship between metals and magnets?

What is the result of wave motion on water particles? A.) Water particles are pushed forward as they move up and down. B.) Water particles barely move forward as they move up and down. C.) Water particles are pushed down as they move side to side. D.

Nitric acid (HNO3) and potassium hydroxide (KOH) combine in a neutralization reaction to form water and a salt. Which of the following correctly identifies the salt that is produced? OHK NOK2 KNO3 HOH

When the speed of something is the same what is that called

Describe a process that converts chemical energy to thermal energy

A 20-ton truck collides with a 1500-lb car and causes a lot of damage to the car. Since a lot of damage is done on the car : Select one: a. the force on the truck is smaller than the force on the car. b.