Keiyah and Sam canoe down the Guadalupe. As Keiyah pulls the oar through the water, the water against the oar is pushing the canoe forward. This is an example of Newton's: First Law

Second Law

Third Law

Law of Conservation of Mass

sheep is a herbivore animal whereas grasshopper belongs to the class chordates but both of them feed on greens.  

if grasshopper and sheep feeding on a pasture land, i do not think both of them will have any impact on each other. however, the number of the species can make difference. since sheep feed on greens, there is a possibility there left no pasture land for the grasshoppers or they may get extinct.

c is the correct answer hope this !

d. groundwater flows through the subsoil and deposits minerals.