If adding salt to a liquid changes the nature of the liquid, then adding salt to a liquid changes what aspect of the liquid? Answer choices: - salinity - Dilution - energy - nature - Energy. - heat - ligt - reduce
nature

(Question)
If carcinogens cause production of mutations in DNA of areas such as lungs, then what cause production of mutations in DNA of areas such as lungs? Answer choices: - Damages them - the environment - carcinogens - cigarettes - rays or beams - smoking tobacco - smoking - Pollution
(Answer)
carcinogens

Ques: If microbial fuel cells convert chemical energy into kinetic energy, then microbial fuel cells convert chemical energy into? Answer choices: - kinetic energy - Deoxyribonucleicacid - rays or beams - harmful substances - vehicles - sunlight - deoxyribonucleic acid - Greenhouse gases
Ans: kinetic energy

(Q).
If some plants have varied life cycles, then what have varied life cycles? Answer choices: - bacteria - fungi - Variety. - Cycles. - plants - Plants. - insects - Life of air.
(A).
Plants.

Ques:If dead vegetation becomes something that is burned to generate heat, then what becomes something that is burned to generate heat? Answer choices: - glass - dead vegetation - Fuel cells - preserved vegetation - Electrical energy - hydrogen and oxygen - clouds - electricity

Ans:dead vegetation

Question: If cross-pollination increases something required by evolution, then cross-pollination increases something required by what? Answer choices: - gene flow - flowers - insects - bushes - Evolution - plants - ferns - Reproduction
Answer:
Evolution