Which one of these can be classified as an animal

A) Bacteria

B) Yeast

C) Protozoan

An athlete does one push-up. In the process, she moves half of her body weight, 250 newtons, a distance of 20 centimeters. This distance is the distance her gravity moves when she fully extends her arms. How much work did she do after one push-up?

A team of dogs is pulling a sled with a net force of 2000 N. The sled is accelerating a 2.2 m/s^2. What is the mass of the sled?

What are the cracks between the plates of the lithosphere called

Which would BEST describes what occurs when a ball is thrown against a wall? A) The ball will not bounce off the wall. B) The ball hits the wall hard enough to bounce off of it. C) The wall is stronger than the ball and neither exerts any forces.

You have been asked to recommend a alternative source of energy that your town could use to generate electricity. Describe the renewable resource that you believe would be best for your town.

Biomes on Earth have exhibited changes throughout history that have been caused by a variety of factors. Over the past 50 years, the amount of tropical rainforest acreage found throughout the world has decreased from 14.8 billion acres to 8.

Three pithballs are suspended from thin threads. Various objects are then rubbed against other objects (nylon against silk, glass against polyester, etc.

Which of The following are classiFcatons describing how rock and oTher maTerial movedownslope? a. Fall, b. slide, c. slump, d. creep, e. fow

What is the acceleration of a 32-kg object if a 6.75-N force is applied to it? a. 0.21 m/s2 b. 4.74 m/s2 c. 21.09 m/s2 d. 216.00 m/s2

Gravitational force is a (n) ? A) attractive force B) repulsive force C) both an attractive and repulsive force D) neither an attractive or repulsive force