Jill is known to date only muscular guys that workout constantly in the gym (known as "gym rats"), Jack is interested in Jill, but he can barely lift 100 lbs. During the summer
months, Jack spent most of his time in the gym working out and gaining muscle mass.
Which motivational theory is pushing Jack to work out?

Long ago, people who lived in coastal north africa most often interacted with

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle

Which of the following statements best describes what is occurring in the land surrounding the sahara desert? a desertification is increasing, and the desert is expanding. b. fewer people are trying to farm in this semiarid region. c. the desert is shrinking with the increased use of irrigation. d. increased urbanization has resulted in decreased deforestation. select the best answer from the choices provided mark this and return save and exit next submit