Which one of the following represents the number of units of each substance

taking part in a reaction?

A. Coefficient

B. Equation

C. Product

D. Reactant

Materials with the same R-value have the same ability to insulate. a. True b. False

What are the benefits of scientists using the metric system worldwide? Select all that apply. reduce the chance of errors in correspondence more accurate measuring system it is already in line with the measurement system used in the U. S.

If we have evidence that certain gases are harmful to our atmosphere, then why are we still using them?

Does an object that feels cold to the touch contain thermal energy Explain your answer

What is the frequency of a wave with a time period of 2.5 s

An 8 kilogram bowling ball is rolling in a straight line toward you. if its momentum is 16 kg * m/s, how fast is it traveling?

Explain why a moving object can be in equilibrium

Design an investigation to compare the durability of the three different brands

The surface area of the skin of a person who is 70 inches tall and weighs w pounds can be estimated by s (w) equals=342 w superscript 0.425342w0.425 , where s is in square inches.

The train speeds passed Holly at 70 km/h north ward. This spider crawls past lukes foot in the same direction at 30 m/h. What is the velocity of the spider relative to Holly?