Ultraviolet light is considered relatively safe, however skin should not be unnecessarily exposed and eyes should be protected.

A) True
B) False


A) True

Biology & Microbiology

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The habitats of "birds of paradise" in New Guinea are on mountains separated by

a. areas of unsuitable land. b. fierce predators. c. man-made borders. d. the ocean. e. rivers and lakes.

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Rheumatic fever is an autoimmune complication caused by a ________ infection.

a) Staphylococcus aureus b) Francisella tularensis c) Brucella melitensis d) Streptococcus pyogenes

Biology & Microbiology

What is the largest sulfur reservoir on Earth?

a. the aquatic biosphere b. the oceans c. rocks and sediments d. the terrestrial biosphere

Biology & Microbiology

the __________________ is the sum of all the alleles in a population

A. A. Macroevolution B. Microevolution C. Adaption D. Population genetics

Biology & Microbiology