Human beings mostly emit which kind of electromagnetic radiation?
A) ultraviolet
B) visible
C) microwave
D) infrared
D
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Venus and Mercury both have magnetic fields similar to Earth's
Indicate whether the statement is true or false
When uranium fissions into two medium-mass nuclei, the product nuclei tend to have an excess of neutrons when compared to stable nuclei. What type of radioactive decay would one expect from these product nuclei?
a. meson decay b. negative beta decay c. positive beta decay d. proton decay
Strike-slip faulting takes place along the ______________ boundary of two plates
Fill in the blank(s) with correct word
An aluminum foil 0.10 mm thick has how many aluminum atoms per square cm? (The density of aluminum is 2.7 × 103 kg/ m3 and the atomic mass of aluminum is 27.)
A) 6 × 1017 B) 6 × 1020 C) 6 × 1024 D) 6 × 109 E) 6 × 1030