Which is a significant difference between hunter-gatherer and sedentary populations? The use of hunting
The exploitation of natural resources
The ability to move to follow a food source
Understanding of the local environment

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