If the force of the soccer player’s head on the ball is 1.5 N upward, what is the force of the ball on the player’s head? a. 0 N
b. 1.5 N
c. 3.0 N

Titania buys a bag of fertilizers at the store. it reads 30-15-10. how much phosphorous is in the fertilizer a. 30% b. 15% c. 10%

14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils. the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.