How do scientists know that dark matter exists?

a. it absorbs radio waves.

b. it emits electromagnetic radiation.

c. it exerts a gravitational pull on other matter.

d. it blocks the light coming from other objects.

Blank objects is a major cause of back injuries in the workplace

What is another principle an artist can follow to create the illusion of depth on a flat surface?

A man jogs at a speed of 1.6 m/s. His dog waits 1.8 s and then takes off running at a speed of 2.7 m/s to catch the man. How far will they have each traveled when the dog catches up with the man? Answer in units of m.

According to collision theory, which condition (s) must be met in order for molecules to react? A. The reacting molecules must collide with sufficient energy to initiate the process of breaking and forming bonds. B.

List 3 major fossil fuels

How much force is required to pull a spring 3.0 cm from its equilibrium position if the spring constant is 3.7 x 103 n/m?

When did our Solar System begin to form? When did our Solar System begin to form? 5 million years ago 5000 years ago 5 trillion years ago 5 billion years ago

Which describes how radiation moves? radiation moves from a cooler object to a warmer object radiation moves from a warmer object to a cooler object radiation moves from a warm object to an object of the same temperature radiation moves from a cool

Why does the closed top of a convertible bulge when the car is riding along a highway? Why does the closed top of a convertible bulge when the car is riding along a highway? The air pressure is greater outside the car than inside.

Is a white shirt cooler or warmer in the sunlight?