What most likely happened to stem cells grown on a hard, rigid surface?

Which group of air pollutants tend to cool the atmosphere because they reflect more sunlight back to space thus reducing incoming solar radiation? A. CFCs. B. ozone enhancers. C. nitrous oxides. D. atmospheric aerosols.

Select the characteristic that makes viruses different than bacteria. a.) Viruses are not made out of cells. b.) Pathogenic viruses cause diseases. c.) Viruses are found everywhere. d.) Viruses need to eat almost constantly to remain alive.

In urban areas, fine particles caused by dust or pollution often cloud the air close to the ground. Which of the following terms best defines this event? a. ozone b. smoke pollution c. haze d. acid rain

What happens to the pressure as one progresses through the layers of the earth from the inner core

What is your current understanding of the consequences of human activity on earth's ecosystems, climate, and populations of organisms (be specific) ? do you think humans have a responsibility to minimize their impact on the earth?

Un ejemplo de mitosis en el trabajo es una hoja que: A) se vuelve amarilla. B) Creciendo tomando dióxido de carbono c) Hospedar una oruga

During transpiration, water exits the leaf via the A. mycorrhiza. B. stomata. C. roots. D. tracheids.

How do you call a prokaryote kingdom that typically live in oxygenated environments, and are not as adapted to harsh environments as the other prokaryote kingdom?

Rosa has a vegetable garden. She places earthworms, which are decomposers, in the garden soil. What is Rosa most likely trying to do? A. prevent insects from eating the plants B. create usable food energy for the plants C.

A transposable element (TE), or transposon, is a __ sequence that can change its __ within a genome, sometimes creating or reversing mutations and altering the cell's __.