Your light truck weighs 3,500 kg. you drive up a slope that is 0.5 km long. at the top of the slope you are 200m higher in elevation than when you start ed. assuming no friction what force has your engine exerted to drive up this slope. (a) 7000n (b) 12000n (c)14000 (d)20000n

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Awolf pack hunts,kills, and feeds on a moose. in this interactions, the moose is a?

Which of these outcomes is a negative impact of postindustrial societies on the environment? a. nomadic ways b. overpopulation c. overgrazing d. resource renewal