Before an ozone layer formed to reduce radiation, life existed

a. in the air.

c. in oceans and underground.

b. in trees and plants.

d. on land.

Why does condensation form on the outside of a drinking glass

A person is pushing (and slightly squashing) a basketball against a wall. According to Newton's Third Law, the reaction force for the force that the hand exerts on the basketball is the force that the the force that the basketball exerts on the wall.

Why does jupiter have several distinct cloud layers?

A 3.00 μF capacitor is charged to 480 V and a 4.00 μF capacitor is charged to 500 V. Part A These capacitors are then disconnected from their batteries, and the positive plates are now connected to each other and the negative plates are connected to

which of the seasons is celebrated by many northern cultures with festivals, often symbolizing rebirth?

A microwave oven operating at 120 volts is used to heat a sandwich if the oven draws 12.5 amperes of current for 45 seconds what is the power dissipated by the oven?

Which of the transformers are step-up transformers? Which of the transformers are step-down transformers?

1 A plane moving at 30m/s drops a load 200m down to the ground. How long did it take to hit the ground.

Can a body be in equilibrium if it is in motion? Explain

What is the average speed in kilometers per second of the earth around the sun?