Running water is better able to dissolve oxygen and nutrients than standing water, and if the water stands still and becomes stagnant, it can become a breeding ground for mosquitoes. Given these facts, running water is better able to dissolve oxygen and nutrients than what among the following options: - pouring water - scarce resources - ocean water - river water - acetic acid - Veins and arteries. - an organism's body - stagnant water
stagnant water

(Question)
Electrical current running through a wire causes that wire to heat up, and raw coal can be burned to produce electricity. Given these facts, what can cause a wire to heat up among the following options: - soil - ice - waves - LEDs - motors - coal - silt - copper
(Answer)
coal

Ques: Algae have varied life cycles, and some, such as the green algae, are plants. Given these facts, what have varied life cycles among the following options: - bacteria - fungi - Variety. - Cycles. - plants - Plants. - insects - Life of air.
Ans: Plants.

(Q).
Conserving water can be used for survival in a dry environment, and by definition, deserts are dry areas. Given these facts, conserving water can be used for survival in which region among the following options: - cactuses - watershed - river - stability - desert - lake - rainforest - Pacific
(A).
desert

Ques:Photosynthesis means producers convert from carbon dioxide, water, and solar energy into carbohydrates for themselves, and photosynthesis and cellular respiration are life-sustaining plant processes. Given these facts, what plant processes convert carbon dioxide, water and solar energy into carbohydrates among the following options: - water types - life-sustaining - chlorofluorocarbons - food tools - planting pots - circulatory systems - one celled organisms - peachleaf willow

Ans:life-sustaining

Question: Population density is the average number of individuals per unit of area or volume, and population densities affect the balance of the environment. Given these facts, the average number of individuals per unit of area affect the balance of . among the following options: - gravity - the environment - energy - Earth orbiting the Sun - an organism's body - objects that have mass - competition - power
Answer:
the environment