Iwhat is the function of a chloroplast

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.

Crossing over is a method of (blank)?