Q: The oxidation of an alcohol can produce either an aldehyde or what? Choices: - enzyme - amine - ester - ketone A:
ketone

(Question)
Q: What element do plants use to store energy as atp? Choices: - nitrogen - chlorophyll - carbon - oxygen A:
(Answer)
oxygen

Ques: Q: Of all the mineral nutrients, what contributes the most to plant growth and crop yields? Choices: - oxygen - methane - silicon - nitrogen A:
Ans: nitrogen

(Q).
Q: Pathogens infect many animals and are agents of what? Choices: - drought - mutation - change - disease A:
(A).
disease

Ques:Q: The transmitted light strikes a photoelectric tube, which converts the light energy to? Choices: - heat - color - gas - electricity A:

Ans:electricity

Q: The anodes in each cell of a rechargeable battery are plates or grids of lead containing spongy lead metal, while the cathodes are similar grids containing powdered what? Choices: - carbon dioxide - straight dioxide - coal - lead dioxide A:
lead dioxide