Many organisms live in creek, rivers and lake beds. Oftentimes pollution cannot be seen with the naked eye. What are ways that you could tell by using lobserving the organisms that live in the creeks, rivers, and lake beds if pollution is present? If pollution is present would that impact the sustainability of the organisms?

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?