The heavy bombardment of the early Solar System made _______________ on the Terrestrial planets
Fill in the blank(s) with correct word
craters
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The mercury in a thermometer has a volume of 0.516 milliliters and a mass of 2.8 grams. What is its density?
A. 4.52 g/mL B. 5.43 g/mL C. 6.72 g/mL D. 7.31 g/mL
A large 75-kg lighting fixture can be hung from wires of identical size and shape made of aluminum, brass, or copper. The values of Young's modulus for these metals are 0.70 × 1011 Pa (aluminum), 0.91 × 1011 (brass), and 1.1 × 1011 (copper)
Which wire would stretch the least distance? A) brass B) copper C) aluminum D) They will all stretch the same distance.
At the end of the Paleozoic era, all
A) dinosaurs became extinct. B) flowering plants grew to great heights. C) fish species became extinct. D) trilobites became extinct.
Evaporation of water from a tea kettle takes place
1) at the surface of the water, 2) at the bottom of the water, 3) throughout the water, whereas boiling takes place 4) at the surface of the water. 5) at the bottom of the water. 6) throughout the water.