____________________ poisoning, mostly affecting children, can cause mental retardation and brain damage.
Fill in the blank(s) with the appropriate word(s).
Lead
Environmental & Atmospheric Sciences
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In sedimentary rocks, lithification includes ________.
A) compaction and cementation B) cementation and weathering C) compaction and transportation D) crystallization and cooling
Environmental & Atmospheric Sciences
Malnourished individuals may become more prone to infections, and eventually may develop a specific deficiency disease
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
On a cloudy day, Earth's surface receives
A) direct insolation. B) diffuse radiation. C) direct radiation. D) a reduced daylength.
Environmental & Atmospheric Sciences
Which two kinds of organisms introduce energy to an ecosystem?
A. Plants and primary consumers B. Plants and algae C. Plants and animals at the very top of the food chain D. Animals in trophic levels III and IV
Environmental & Atmospheric Sciences