Carl and Don run separate chemical fertilizer manufacturing companies in the same industrial park. Both pollute the river flowing through the industrial park with debris and waste from their manufacturing processes. In the table below, the first row shows the current level of debris and waste each produces that makes its way into the river. The information in the table also indicates how much it would cost each manufacturer to reduce its pollution by additional increments of 10 pounds. If the government imposes a pollution tax of $7 for each 10 pounds of debris, total pollution will fall by ____ pounds, at a total cost of ____.
A. 40; $28
B. 40; $17
C. 40; $22
D. 60; $30
B. 40; $17
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Dunes that form long ridges perpendicular to the prevailing wind direction in areas with abundant sand
and little vegetation are ____________________ dunes. Fill in the blank(s) with the appropriate word(s).
Earth heats the atmosphere from the bottom up, by absorbing sunlight and converting it to thermal energy and radiating heat
Indicate whether the statement is true or false
How did the described volcanoes in Iceland and the Philippines change the environment to lesser or greater extents?
What will be an ideal response?