Mollusks are a major food source for other organisms, including humans, and many organisms are omnivores with variable diets. Given these facts, what are mollusks used for among the following options: - a herbivore diet - survival - a vegetarian diet - Converting waste. - Catch prey - an omnivore diet - an egg diet - animal transport
an omnivore diet

(Question)
Viruses are not cells, and viruses include the Tobacco Mosaic Virus. Given these facts, what is not made up of cells among the following options: - an object - Veins and arteries. - Tobacco mosaic - an organism's body - Conifers - sensory neurons - layers of fat - the digestive system
(Answer)
Tobacco mosaic

Ques: Temperature falls from lower to higher altitudes, and temperatures are cooler in the higher altitudes of the mountains. Given these facts, what has lower temperatures among the following options: - peachleaf willow - fur seals - the Sun - the equator - the mountains - aqueous solution - solid, liquid, gas - fire
Ans: the mountains

(Q).
Treating water is used to remove harmful substances before drinking, and arsenic, a naturally occurring substance, contaminates water sources in many countries. Given these facts, what is treating water used to remove before drinking among the following options: - arsenic - air - cellulose - chemicals - Collagen - loose dirt - water vapor - ice
(A).
arsenic

Ques:Clouds are formed by water vapor rising into colder regions of the atmosphere and condensing, and eventually, the drops fall out of the cloud in the form of rain. Given these facts, what sometimes falls as rain among the following options: - Water vapor - Winter - trees - Metling snow - earth - soil - flooding - streams.

Ans:Water vapor

Amphibians have a relatively complex circulatory system with a three-chambered heart, and all frogs are amphibians. Given these facts, what has a relatively complex circulatory system with a three-chambered heart among the following options: - frogs - a fish - salmon - alpacas - Man - Birds - sharks - pan
frogs