Answer:
B: it allow quick conversation to others
Similars are they both contain all 4 biomolcules, have ribsomes, can be uniceullar, have cell membranes and cell wall, have DNA, and similar metabolism
The different school faucets (frequently and infrequently used) are the manipulated or independent variable. The exact school faucet being tested is chosen (in a sense, manipulated) to test a particular effect or in this case, the presence of <span>more chemical impurities.</span>
