Magnetism results from the spin of electrons in some solids
a. True
b. False
True
Environmental & Atmospheric Sciences
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Which of the following elements is in the fourth period?
A. hydrogen (H) B. zirconium (Zr) C. chromium (Cr) D. carbon (C) E. beryllium (Be)
Environmental & Atmospheric Sciences
Which of the following about AIDS is true?
A) AIDS is most abundant in developed countries. B) In sub-Saharan Africa, AIDS is primarily spread through homosexual contact. C) In Swaziland, the incidence of AIDS is lower than in most developed countries due to the increased reliance on condoms. D) AIDS deaths have declined due to increased funding from developed countries.
Environmental & Atmospheric Sciences
Transamination of which amino acid produces pyruvate directly?
A) alanine B) glutamine C) glycine D) leucine
Environmental & Atmospheric Sciences
Rime is produced by supercooled fog.
Indicate whether the statement is true or false.
Environmental & Atmospheric Sciences