What is the weight of pure composed atmos element combined in definite proportion

2.9 : 4.35 = 2:3

Explanation:

the law of definite or constant or fixed proportions more compounds, then the weight of 1 element that combines with fixed ratio of M and O atoms in oxide B=2.9 : 4.35 = 2:3

answer: the answer is b

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.