If potassium is a chemical element essential for good health, then what is a chemical element essential for good health? Answer choices: - sweating - light energy - oxygen - bioaerosols - Chlorophyll - hydration - Potassium - fever
Potassium

If agreenhouse can keep plants from dying, then what organisms are most likely to be saved in the winter by a greenhouse? Answer choices: - snow leopards - dormant - plants - tiny - skiiers - whales - heat - mussels
plants

If asaline solution is made by adding salt to water, then what are the two ingredients of a saline solution? Answer choices: - salt and water. - Deoxyribonucleicacid - water and iodine - looseness - Veins and arteries. - salt and calcium - salt and oxygen - deoxyribonucleic acid
salt and water.