People in Latin America often divide their climate regions by , with each supporting different types of agriculture. A. elevation B. rainfall levels C. temperature D. humidity levels

Chicken pox and hepatitis are bacterial diseases. true or false?

Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.

At which location in earth’s interior does the top density continue to increase as thickness decreases?