9. which of the following definitions best describes dna polymerases?
a. an intermediate message that is translated to form a protein
b. enzymes that form bonds between nucleotides during replicatic
c. enzymes that bring amino acids from the cytoplasm to nibosom
d. enzymes that bond nucleotides together in a chain to make ar

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water

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

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid