Drug manufacturers use which of the following when making time release drugs?

A) control of the thickness of a drug coating
B) control of the size
C) both a and b
D) neither a nor b


C

Environmental & Atmospheric Sciences

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An order has arrived that the original cube must be broken down into eight cubic pieces of marble, all of the same dimension of 6 square feet per cube. What is the total surface area of the marble now?

A stonemason has shaped a block of marble into a perfect cube with dimensions of 2 feet by 2 feet by 2 feet. What will be an ideal response?

Environmental & Atmospheric Sciences

Ions dissolved in stream water make up part of the stream's load

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

What are the soil factors represented by Cl, O, R, P, and T?

Environmental & Atmospheric Sciences

Heavy metal water pollution includes ____.

A. bacteria, viruses, and parasites B. nitrates and phosphates C. lead, mercury, and arsenic D. acids E. oil, gasoline, plastics, and pesticides

Environmental & Atmospheric Sciences