001 10.0 points Which of the following would require the
greatest number of calories?
1. Heating 1000 g of water from 10°C to
12°C
2. Heating 1 g of water from 10°C to 80°C
3. Heating 100 g of water from 10°C to 50°C
4. Heating 10 g of water from 10°C to 40°C

What is the fate of the electrons that interact with a specimen in an electron microscope?

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

What is friction? how does it affect the motion of an object?