Hello There!
Before viruses can reproduce, they must infect a host cell.
Viruses need a way to enter the body before they can infect a host cell.
Answer:
The amount of people per square mile or kilometer of land; also called arithmetic density.
Lactic acid produced by fermentation causes the sour taste.
10.00-6.11=3.89
1 9 1
10.00- __turns to__
09.00- __turns to__
09.00- __turns to__
09.90-
06.11 ___________ 06.11____________
06.11 ____________ 06.11
03.89 02.89 03.79 03.89