Two measurements, 43.15 hours and 10.2 hours, are added. explain why the correct answer is not 53.35 hours.

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.