Which statement is true of gases?

A. Gases have a definite shape.

B. Gases expand to fill all the space available.

C. Gas particles stay in fixed positions.

D. Gases have a definite volume.

You go to the doctor and he gives you 13 milligrams of radioactive dye. After 12 minutes, 8 milligrams of dye remain in your system. To leave the doctor's office, you must pass through a radiation detector without sounding the alarm.

If a bicyclist starts from a resting position and reaches a speed of 10 meters per second in 40 seconds, what was his acceleration during this time? assume he accelerated in a constant way.

Simple machines are designed to increase A) gravity B) friction C) force D) mechanical advantage

If we decrease the time it takes for a car to travel over the same distance this will

True or false disturbances in the atmosphere create severe weather (changes in humidity, temperature, and air pressure).

A falling skydiver opens his parachute. A short time later, the weight of the skydiver-parachute system and the drag force exerted on the system are equal in magnitude.

Consider the expression below. Assume m is an integer. 6m (2m + 18) Enter an expression in the box that uses the variable m and makes the equation true. (Simplify your answer completely. If no expression exists, enter DNE.)

What could be put into the center section of this Venn diagram?

Give two factors that will increase the magnetic field strength of an electromagnet

What is an example of total internal reflection at work?