For saving lives, what is the most important safely feature on a car

a. air bag

b. safely belt

c. anti-lock brakes

Why does the speed of sound depend on air temperature?

What happens to the rock structure during each of type of change?

Two technicians are discussing the testing of a catalytic converter. Technician A says that a vacuum gauge can be used and observed to see if the vacuum drops with the engine at 2500 RPM for 30 seconds.

The ability of a material to flow is called conductivity. malleability. density. viscosity.

Which sentence about particles in matter is true? A. Atoms are present in solids and liquids but not in gases. B. The particles of matter are in constant motion. C. The same kinds of atoms are found in different elements. D.

Compare all the organisms. What trend do you see?

A man weighs 1190 n on earth. what would he weigh on jupiter, where the free-fall acceleration is 25.9 m/s 2? the acceleration of gravity is 9.8 m/s 2. answer in units of n.

What is always true of a single-displacement reaction?

Mrs Garcia traveled 15 km in 1 hour. What was her average velocity in km/s?

Contrast the nucleus and electron in a cloud