How many gallons of water per day does the average American family of 4 use?

A). 80 gallons

b). 160 gallons

C). 240 gallons

D). 320 gallons

In a rate law, the rate constant, k, depends on which condition? A temperature B. concentration C. reaction order D. time E. particle size

The forces acting on a falling leaf are

A girl jumps forward off of her skateboard. The skateboard weighs much less than the girl. [Friction in the wheels and between the wheels and the ground is so small that you don't need to consider it.

When young children draw clouds, they often look like what type of cloud

What property is an acid-base indicator used to measure? a. pH b. solubility c. temperature d. density

Which is a resource that the National Park Service manages? A. memorials B. wildlife refuges C. ecosystems D. endangered species

Write two examples (mathematical expression) of physical laws that change inversely with the square of the distance.

What units must be used to express the temperature in the equation for the ideal gas law? explain?

Which region of the Sun is typically about 6,000 C?

How well does the infographic ""Plastics in the Ocean"" present a solution to the problem it describes?