Solids emitted by volcanoes can range in size from fine dust to boulders. Such solids are known collectively as ______________
Fill in the blank(s) with correct word
pyroclastics, or tephra
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Describe the difference between a solar system and a galaxy
What will be an ideal response?
When adding several quantities, the number of decimal places in the result must always be
A) larger than the number of decimal places in the most accurate of the quantities. B) equal to the number of decimal places in the most accurate of the quantities. C) equal to the average number of significant digits in the most and least accurate of the quantities. D) equal to the number of decimal places in the least accurate of the quantities. E) smaller than the number of decimal places in the least accurate of the quantities.
All electric devices are required to have identifying plates that specify their electrical characteristics. The plate on a certain steam iron states that the iron carries a current of 6.00 A when connected to a source of 1.20 × 102 V. What is the resistance of the steam iron?
1.0.050 0 W 2.20.0 W 3.36.0 W
After atoms form at 300,000 years into history, then the Universe becomes what?
A.) Empty. B.) Opaque. C.) White. D.) Dead. E.) Transparent.