The largest amount of air pollution comes from?

What are the similarities between plant and animal cells?

How do scientists use ice to study ancient climates

If an energy pyramid tapers toward the top, what does it tell you about the biomass at the highest trophic level?

In which phase (s) of matter are the atoms closely packed but still able to slide past each other? gas liquid solid and gas liquid and solid

A scientist finds that a food dye kills 15 percent of the mice in her lab when added in small doses. She repeats the trials with higher doses. What rule of ethics does this experiment break? A. Prove your hypothesis B. Do not plagiarize C.

At which of the following temperatures will the average energy of motion of the particles in a substance be greatest? A. - 12 C B. 0 C C. 12 C D. 20 C

In Wisconsin a very large population of lake trout in which individuals mate at random experiences no migration mutation nor selective pressure for a number of years. Which of these is most likely to occur in the population?

How much time do most experts agree is required to allow for muscle recovery before engaging in muscular strength/endurance weight lifting of the same muscle group? 6 hours 12 hours 18 hours 48 hours

What are some changes that can occur in ecosystems

How has society influenced science during the pandemic?