Which of the statements most likely describes an example of chemical weathering. A.
the widening of cracks in rock by tree roots

B.
the rusting of iron rich rocks

C.
the expansion and contraction of rocks as tempertures change

D.
the scouring of rocks by windblown sand

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

Across of blue x blue (both heterozygous) would result in

Matched chromosomes carrying information about the same characteristics in the organism are called