Pollution of groundwater is generally a more serious concern, in part because groundwater is a slowly exchanging pool
Indicate whether the statement is true or false
TRUE
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The level of organization where factors such as
sunlight, rainfall, and temperature enter the picture is the a. organ system. b. ecosystem. c. biosphere. d. molecule. e. community.
Ionizing radiation does NOT include
A) gamma rays. B) UV rays. C) X-rays. D) cosmic rays.
Our understanding of the evolutionary process reveals that:
a. all organisms change through time. b. all populations are related through a shared ancestry. c. evolution has produced the spectacular diversity of life on Earth. d. development has produced the spectacular diversity of life on Earth. e. all organisms change through time and all populations are related through a shared ancestry
What description applies to a disease-causing organism that can spread from one organism to another?
A) contagious B) infectious C) parasitic D) microscopic