Which of the following is the second most abundant positively charged component of seawater?

A) Calcium
B) Chloride
C) Magnesium
D) Sodium
E) Sulfate


C

Environmental & Atmospheric Sciences

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Which of the following can cause a seiche?

A. convection over a large land mass B. very strong winds C. high mountains interfering with a westerly wind flow D. wind shear at very high altitudes

Environmental & Atmospheric Sciences

Radioactive elements are found in materials all around us, even our bodies.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

The atmosphere is highly ________ with respect to solar radiation

A) reflective B) conductive C) transparent D) absorptive

Environmental & Atmospheric Sciences

The half-life of the carbon 14 isotope is 5730 years. If there were 4 billion atoms of C-14 in a particular organism at the time it died, how many atoms of C-14 would there be in the remains of that organism 11,460 years after it died?

A. 4 billion B. 2 billion C. 1 billion D. 8 billion E. 3 billion

Environmental & Atmospheric Sciences