Maria wants to enter the science fair at her school. She has a list of ideas for her project. Which questions could be
answered through scientific investigation? Check all that apply.
•Which marine biologist is the smartest?
•Does the rate of decay have an effect on the amount of gas produced?
•Is the information about photosynthesis difficult to understand?
•Which laboratory experiment is the most fun to perform?
•Which brand of stain remover is the best for getting out laundry stains?

Acid rain is the direct result of acid released by burning fossil fuels. select the best answer from the choices provided ot o f true or false

The endoplasmic reticulum (er) is an organelle in some cells. in these cells, it is continuous with the nuclear membrane and forms a large part of the cell\'s total membrane. sort the phrases below as describing rough er, smooth er, both, or neither. note: if you answer any part of this question incorrectly, a single red x will appear indicating that one or more of the phrases are sorted incorrectly.1) found in prokaryites and uekaryotys2) involved in protein synthesis3) involve in lipid synthesis4) contains molecular chaperones in lumen5) bound with ribosomes6) involved in toxin or drug metabolism7) large systemot internnected tubules,vesicles, and sacs8) "packages" enzymes in vesicles for secretion.

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast