c. It never changes during the experiment.
Answer:
Turn a right on Mccallin Drive! Thank me later. ;)
Explanation:
Answer:
Water can carry many different kinds of bacteria and possible diseases. It is important to treat the water correctly so these are not consumed. Having good water quality means having safe water to drink for all.
Explanation:
A salt or ester of phosphoric acid, containing PO43− or a related anion or a group such as —OPO(OH)2.
Prokaryotic cells are simple, ancient cells without a nucleus. Eukaryotic cells are more complex and have a nucleus.