What is one example of technology that helps extend our resources of natural resources?

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

The term used to describe a disease-causing microorganism isa. virus. b. infection. c. pathogen. d. microbe. e. bacterium.

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation