can someone explain what absolute dating is in like 3 sentences without it being too professional or too simple and not copied and pasted (SCIENCE TERM)

Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. once a virus gains entry into the body, it invades a host cell in order to? a. synthesize antibodies for defense b. deactivate the host cell's defenses c. access cell processes for reproduction d. metabolize host proteins and grow