What is the effect of soil salinazation on crops - The decrease in nutrients help plants reach maturity more quickly
- The decrease in nutrients limits the rate at which plants can grow
- The increase in salt prevents plants from absorbing enough water
- The decrease in salt helps plants absorb a sufficient amount of water ?

The answer is "The increase in salt prevents plants from absorbing enough water."

Explanation:

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.

propane is burned to provide the heat in many cooking grills. the chemical reaction for this process is shown in the equation below.

c3h8 + 5o2 ? 3 co2 + 4h2o + energy

what are the products in this chemical reaction?

3co2 + 4h2o + energy