Explain why and how theories may be changed or replaced over time.

Thermoelectric power plants are used to generate electricity. Which of these statements best describes the impact of a thermoelectric power plant on the environment? It causes droughts. It uses a lot of water. It stops the growth of trees.

The current through two identical light bulbs connected in a series is 0.25 amps. The voltage across both bulbs is 100 volts. Find the resistance of a single light bulb.

Which is correct about the charge movement when a battery is connected to copper wire? a.) Electrons leave the positive battery terminal and electrons enter the negative terminal. b.

Which of the following is true about functional text? A. Functional text does not contain diagrams and illustrations. B. Many people read functional text, but few people write it. C.

What's the difference between red blood cells and white blood cells

How much more ground motion is produced by an earthquake of magnitude 7.0 than by an earthquake of magnitude 4.0?

What evidence is there of life in a mini habitat?

A hole is drilled to the center of the earth and a ball is dropped into it. When the ball is at the earth's center, compared with their respective values at the earth's surface,

What is the development of static?

Methane gas absorbs red light, and methane clouds reflect blue light, giving Uranus and Neptune their distinctive blue colors. Why do Uranus and Neptune have methane clouds, but Jupiter and Saturn do not