Answer:
Eutrophication is what happens when nutrient levels become too concentrated in rivers, lakes, and oceans. Eutrophication is when the levels of nutrients and minerals in a body of water become too concentrated. It is usually induced by the release of nitrate or phosphate-containing substances into a water body.
Explanation:
A substance used, or acted on, by another process or substance such as a reactant in an enzyme catalysed reaction.
Chloroplasts are where photosynthesis occurs, so maybe that's a hint to know which cells have chloroplasts.
Answer:
I believe it's the valence electrons.
Explanation:
Hope this helps!
Answer:
Woese divided the prokaryotes (previously classified as the Kingdom Monera) into two groups, called Eubacteria and Archaebacteria, stressing that there was as much genetic difference between these two groups as between either of them and all eukaryotes.
Explanation: