Which of the following might best help grasses in a lawn that have been growing in a soil that has a high percentage of clay?

A) Adding fertilizer in the spring and fall
B) Adding lime in the spring to neutralize the pH of the soil
C) Aerating the lawn by removing small plugs of soil
D) Watering the lawn about an inch of water every other day


C

Environmental & Atmospheric Sciences

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The famous Aswan High Dam is located in which nation?

A) Iraq B) Egypt C) Iran D) Lebanon E) Turkey

Environmental & Atmospheric Sciences

The Southern rural region that is one of the materially poorest in the United States is

A. the Florida Panhandle B. the Carolina Piedmont C. the Mississippi Delta D. southern Georgia

Environmental & Atmospheric Sciences

Ice nuclei:

A) are particularly abundant in the lower levels of the troposphere. B) rarely have six sides. C) have a better chance of forming ice at temperatures below -10 degrees Celsius. D) begin to serve their function once the temperature falls to 0 degrees Celsius.

Environmental & Atmospheric Sciences

The upper part of a thunderstorm cloud is normally __________ charged, and the middle and

lower parts are __________ charged. a. negatively, negatively b. negatively, positively c. positively, positively d. positively, negatively

Environmental & Atmospheric Sciences