We can accurately determine the age of a rock or fossil by measuring its ____

a. proton concentration
b. electron concentration
c. neutron concentration
d. isotope concentration
e. ion concentration


ANSWER: d

Biology & Microbiology

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The single tendon of the biceps attaches to ___

a. the clavicle b. the scapula c. the ulna d. the radius e. more than one of these bones

Biology & Microbiology

GI stretch is a shortterm regulator of food intake.

a. true b. false

Biology & Microbiology

All diseases go through the stages known as incubation period, prodromal period, and illness

Indicate whether the statement is true or false

Biology & Microbiology

The first stage of mitosis is ____ and the last stage of mitosis is ____.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology