Jesse wants to know how well a particular brand of car wax protects his car from dirt. Which of the following is a variable that must be kept constant?

a. The use of the car wax

b. How dirty the car gets

c. The kind of car

What does RNA code for? A.) DNA B.) Protein C.) polypeptides D.) amino acids

Why can you cross sentran type of animals

Express 10-4 phones in microphones. Answer in units of μphone.

What is the term used to label the energy levels of electrons?

Hot air balloon rises because a) molecules become lighter when heated b) molecules move faster and farther apart when heated c) molecules are less attracted by gravity when heated d) molecules become charged and repel each other when heated

A rockets initially at rest, it steady gains speed at a rate of 10m/s^2 for 4.6s during take off. What was the rocket's top speed?

What do you mean by kintic theory of matter

What do u think is the smallest piece that you could break sand into

You buy a plastic dart gun, and being a clever physics student you decide to do a quick calculation to find its maximum horizontal range. You shoot the gun straight up, and it takes 36.761s for the dart to land back at the barrel.

Why do windows have two panes of glass separated by a layer of air