Which atmospheric gas is primarily responsible for the greenhouse effect?

a. carbon dioxide (co2)

b. oxygen (o2)

c. nitrogen (n2)

d. water vapor

How are the input and output forces of the parts of a compound machine related?

A car accelerates uniformly from rest to a speed of 56.1 km/h (15.6 m/s) in 8 s. Find the distance the car travels during this time.

Some lakes, such as the Great Salt Lake, accumulate soluble minerals such as salt. In those lakes, people find it much easier to float than when they are in fresh water. Why is this the case?

The linear, step wise representation of the process of science from the traditional scientific method, while simplified, does capture the core logic of science: testing ideas with evidence. 1.) True 2.) False

In 1996, NASA performed an experiment called the Tethered Satellite experiment. In this experiment a 2.30 104-m length of wire was let out by the space shuttle Atlantis to generate a motional emf. The shuttle had an orbital speed of 7.

What happens when a hydrogen atom acts like a nonmetal in a chemical reaction?

Which set of numbers best describes the displayed weights on a digital scale that shows each weight to the nearest half pound?

What is the equivalent volume occupied by three milliliters of water? three kilograms three cubic centimeters three centigrams three centimeters

Which list gives the proper sequence of energy changes that occur in a hydroelectric plant? The mechanical energy of the turbine rotates the generator parts The turbine blades capture the kinetic energy of the water Electrical energy is transferred

A locomotive is pulling 16 freight cars, each of which is loaded with the same amount of weight. The mass of each freight car (with its load) is 37,000 kg. If the train is accelerating at 0.