Which of the following phrases best describes a physical model?

A. An exact copy of an object, system, or process

B. A chemical formula

C. A graph or equation

D. A representation of an object, system, or process

Cardiovascular Activities all have what 4 characteristics

Why is it sensible on diagrams to represent a force by an arrow?

A microwave oven uses a current of 0.45 Amps in a voltage of 120 Volts how much power does a microwave use?

A car travels 40m in 8 seconds find the car speed

Which of the following best describes the way that scientists make observations

Which nitrogen base sequence is the partner of C-A-T-C-G-A? O C-A-T-C-G-A O G-T-A-G-C-T OT-G-C-T-A-G O G-C-A-T-G-T TI

What is the kind of energy that comes from movement?

The average kinetic energy of 1 mole of a gas at 273 degrees Celsius is: 6.81 x 103 J 3.40 x 103 J 1.51 x 103 J 6.72 x 101 J

Which one of the following crystal structures has the fewest slip directions and therefore the metals with this structure are generally more difficult to deform at room temperature? a. BCC b. FCC c. HCP d. BCT

To rid the body of wastes, including excess water and salts" is the purpose of what human body system? A) Digestive B) Excretory C) Skeletal D) Nervous