Discuss the differences between a manipulative and a natural experiment

What will be an ideal response?


In a manipulative experiment, the researcher chooses and manipulates the independent variable, but in a natural experiment the researchers records differences in variables as they are expressed in the natural environment, such as the mean weight of tomatoes grown in dry versus wet climates.

Environmental & Atmospheric Sciences

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Which of the following produces the LEAST severe weather?

A. supercell thunderstorm B. squall line C. ordinary cell thunderstorm D. mesoscale convective complex

Environmental & Atmospheric Sciences

The rate of environmental changes on earth is

A. Slow, and therefore our ability to predict consequences is enhanced B. Similar to those seen in the geologic past C. Happening fast and consequences are uncertain D. Unknown

Environmental & Atmospheric Sciences

________ involves meeting the needs of the present without sacrificing the ability of future generations to meet their own needs

A) Sustainable development B) Economic development C) Ecological development D) Social justice E) Sustainable subsistence

Environmental & Atmospheric Sciences

Which of the following is TRUE concerning GPS technology?

A) It appears useful but receivers are very expensive. B) It usually cannot pinpoint locations with an accuracy greater than 1 km. C) The GPS satellites are owned by a private corporation. D) The technology is freely available to the public. E) The GPS technology allows "perfect" maps to be drawn.

Environmental & Atmospheric Sciences