Which of the choices below is one of the primary gases found in the atmosphere?

A friend is making vegetable soup. he add some salt to the simmering broth. the salt dissolves, and your friend says the broth saltiness it's just right. after two more hours of cooking on the stove top the broth is way too salty, what happened?

Which is evidence that scientists use to support the big bang theory? A. Earth is the only planet with permanent liquid water on its surface. B. Most galaxies are moving away from each other. C. Most orbits have an elliptical shape. D.

How far into editing our human genes?

A material that provides little or no resistance to the flow of electric current is called a/an a. circuit. b. conductor. c. insulator. d. resistor.

A tennis ball travels the length of the court 24m in 0.5 s find its average speed

which of the following best describes the amount of natural resources found here in the united states. coal is the only natural resources found in abundance in the US. Natural resources here are lacking and must all be imported to the us.

A ""zero-net energy"" building: A. is built using only natural raw materials B. can last longer than a traditional building C. produces as much as or more energy than it uses D. produces less than half the solid waste of a traditional building E.

What's the net force acting on an 18-kg object if an acceleration of 3.0 m/s2 is produced?

What type of force slows you down as you slide across the floor? A. Strong nuclear force B. Friction C. Magnetic force D. Gravity

Scenario A: A ramp is used to lift a refrigerator a height of 12 m with a force of 110 N. The ramp is at an angle of 50° to the ground. Scenario B: A ramp is used to lift a refrigerator a height of 13 m with a force of 120 N.