Which of these characteristics did early people control in order for agriculture to expand?

access to clay

access to water

good weather

better seeds

If you heat soup on a stove, what happens to the movement of the soup’s particles? a. the particles move slower. b. the particles move faster. c. there’s no change in the speed of particles. d. the particles stop moving.

The romans believed every human being deserved rights, even slaves. true or false

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design