Which of the following can be an organic cause of chemical weathering?

A. loess

B. lichen

C. freezing

D. expansion

Andre really likes his new car, and he knows it has a certain amount of mechanical energy. Which types of energy are included in the mechanical energy of the car? Choose the two that apply. A. electrical energy from the battery B.

Lake Baikal in Siberia has a maximum depth of 1642 m. What is the water pressure at this depth? (Ignore atmospheric pressure - looking for gauge pressure)

A car is moving with a constant speed of 20 meters per second. What total distance does the car travel in 2 minutes

Five kinds of physical and chemical changes?

Which of the following is a possible sequence that water could follow as it travels through the water cycle? A. ocean - - > precipitation - - > surface runoff B. precipitation - - > surface runoff - - > ocean C.

Chemical bonds are formed from the attractive force of atoms for electrons. What is the force called?

How resistance, current, and voltage behave in a series circuit.?

A father racing his son has 1/3 the kinetic energy of the son, who has 1/2 the mass of the father. The father speeds up by 1.4 m/s and then has the same kinetic energy as the son. What are the original speeds of (a) the father and (b) the son

An element cannot be dived into smaller parts

A pelican dives downward from a height of 35 m with an acceleration of 9.8 m/s² to grab a sardine at the surface of the ocean. How long does the dive take? OA) 0.75 s OB) 1.9 s OC) 2.7 s OD 7.1 s