The centripetal force on an object in circular motion is a. in the same direction as the tangential speed. b. in the direction opposite the tangential speed. c. in the same direction as the centripetal acceleration. d. in the direction opposite the centripetal acceleration.

Which statement best explains the relationship between an area is geography and the temperature of its surface water

If 4.8 moles of x and 3.4 moles of y react according to the reaction below, how many moles of the excess reactant will be left over at the end of the reaction? 3x + 2y “yields”/ x3y2. a. 1.7 mol y left over b. 1.6 mol x left over c. 0.2 mol y left over d. 0.1 mol x left over

Which of the following involves only abiotic factors? a. a large rock being weathered by wind and rain b. an otter using a stone to break open a sea urchin c. a spider building a web in the corner of a building d. a pine tree absorbing light from the sun