The part of an experiment that is changed to see how it affects the outcome is a/an:
Observation
Control
Hypothesis
Variable
Variable
Environmental & Atmospheric Sciences
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Which of the following combinations make for the best groundwater reservoir?
A) Low permeability and low porosity B) Low permeability and high porosity C) High permeability and low porosity D) High permeability and high porosity
Environmental & Atmospheric Sciences
After three half-lives, a radioactive element will have ____ of its original parent atoms
a. 1/2 b. 1/6 c. 1/3 d. 1/8 e. 1/32
Environmental & Atmospheric Sciences
Define hurricane. What other names are used for this storm?
What will be an ideal response?
Environmental & Atmospheric Sciences
What are some ways of converting biomass to useful energy, and what is the potential environmental impact of each?
What will be an ideal response?
Environmental & Atmospheric Sciences