Which phrase describes radiation? 1. the process in which energy is emitted by one object, transmitted through space, and absorbed by another

2. transfer of heat by the actual movement of warmed matter

3. transfer of heat between two objects that are touching

4. the process in which energy is released by molecules breaking apart

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of