Iron's ability to rust is not a physical property because

A. it cannot be observed.

B. the identity of iron stays the same.

C. a new substance with new properties is formed.

D. iron is magnetic

How does the Sun affect electrical power on Earth? How does the Sun affect electrical power on Earth? How does the Sun affect electrical power on Earth?

What are characteristics, features, or conditions of an organism? A. cells B. traits C. genes D. chromosomes

Let wheel 1 rotate at a constant angular speed ω1. Find the ratio ω1ω2 of the angular speed of wheel 1 to the angular speed of wheel 2.

What is an example of a mechanical noise?

How could you increase the potential energy of this apple

Which reaction obeys the law of conservation of mass?

Smaller bits of rock that pass through the atmosphere and slam into Earth's surface are called a. asteroids. b. meteors. c. meteorites. d. meteoroids.

What is the conversion from 1.2 mm to m

Which sentence contains italicized words that are used as an infinitive phrase? A. Kelly went to the grocery store. B. Tom went there for some flour. C. Mark wanted to go, but not today. D. Jane parked her car behind a truck.

The difference in electric potential between a thunder cloud and the ground is 1.53 108 V. Electrons move from the ground which is at a lower potential to the cloud which is at a higher potential.