An atomizer works because of Bernoulli's principle
Indicate whether the statement is true or false
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The process of an edge dislocation combining with a vacancy to circumvent an obstacle is dislocation _________.
Fill in the blank(s) with the appropriate word(s).
Which of the following explains why the Big Dipper will look different 100,000 years from now than it does today?
A) Earth rotates once each day. B) Earth orbits the Sun once each year. C) The direction of Earth's axis in space precesses with a period of about 26,000 years. D) Stars appear to move randomly relative to our Sun in the local solar neighborhood. E) The universe is expanding.
Intrusive igneous rock formations that cut more or less vertically across older formations are said to be ______________
Fill in the blank(s) with correct word
A hot air balloon plus its cargo has a mass of 400 kg, and it holds 700 m3 of hot air. It is floating at a constant height in air with a density of 1.29 kg/m3. What is the density of the hot air in the balloon?
A) 1.39 kg/m3 B) 0.72 kg/m3 C) 0.57 kg/m3 D) 0.86 kg/m3 E) 0.43 kg/m3