Mikayla says that air is an element since it has oxygen in it. jose says that air is a mixture because each part of air keeps its properties. grant says that both mikayla and jose are wrong, because air is a compound. who is correct and why? a) only jose is right because air is made of different kinds of molecules that each keep their own properties. b) none are correct since air is a molecule and a pure substance. c) mikayla is correct because air is made of oxygen which is on the periodic table. d)grant and jose are both right because air is a mixture and a compound since it has different elements in it.

A: Only Jose is is right because is made of different kinds of molecules that each keep their own properties.

Explanation: Air is a mixture of gaseous that makes up the earth's atmosphere it has various molecules that has its own properties:

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.