Besides storage, what does a vacuole provide in a plant cell?

How might burning fossil fuels affect the composition of gases in the atmosphere?

An object is in circular motion with a constant speed of 4 m/s with a radius of 4 m. what is the centripetal acceleration of the object?

Which of the following structure's primary role is to filter lymph? A. Lymph capillaries B. Lymphoid organs C. Lymph nodes D. Lacteals

1. Which of the following regarding a collision is/are true? a. If you triple your speed your force of impact will be three times greater b. Speed has little effect on impact forces c.

A 30 g bullet moving a horizontal velocity of 500 m/s comes to a stop 12 cm within a solid wall. (a) what is the change in the bullet's mechanical energy? (b) what is the magnitude of the average force from the wall stopping it?

It takes 3.3 j of work to stretch a hooke's-law spring 15 cm from its unstressed length. how much the extra work is required to stretch it an additional 11.3 cm? answer in units of j.

Reading Africa's Big Break 1. Which of the following best describes the purpose of the article? a. The passage is an advertisement to encourage you to buy something. b. The passage is to persuade you to make a certain decision. c.

What must quantities have before they can be added or subtracted?

A brick sits on the top of a hill with a gravitational potential energy of 245 J. To determine the gravitational potential of the brick, we would also need to know which one of the following

What is the current produced by a potential difference of 240 Volts through a resistance of. 2 ohms