Which statements describe Newton and the law of universal gravitation? Check all that apply.

1 .Newton believed that gravity was a force.
2. The law of universal gravitation states that gravity is the force that keeps birds in flight.
3. The law of universal gravitation offers a mathematical explanation for the attraction between the moon and Earth.
4. Newton was the first to have the idea that gravity is everywhere.
Gravity is measured in masses.

Which of the following are causes of coastal erosion? check all that apply. beach grasses and other plants trap windblown sand. wave action carves away the coastline. groundwater under pressure is forced to earth’s surface. artificial structures stop the natural flow of sand along the coast. underground caves collapse as bedrock is dissolved.

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.

Building glycogen from glucose molecules is an example of what