Which animal listed below would complete this food chain? grass ⇒ ⇒ frog
A. snake
B. toad
C. cricket
D. owl

Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine

How does human environment effect the biosphere

About __ of the mass of the cell is water