If current trends of population growth, drought, and soil erosion continue in africa, it is estimated that the continent will only be able to feed of its population by the year 2025.

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

How do comedies differ from tragedies

For 50 pointssome molecules can be oxidized in the cells of animals. this oxidation releases energy for the animal to use. from what source do the cells get these molecules? a. sunlight b. water c. air d. food