There are 640 acres in a square mile, and 5280 feet in one mile. How many acres are there in a hectare, a square one hundred meters on each side?
What will be an ideal response?
2.47 acres
Physics & Space Science
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Describe flux
What will be an ideal response?
Physics & Space Science
The number of ____ in the nucleus determines what element the nucleus is
a. protons b. electrons c. neutrons d. None of these determines the element. e. All of these determine the element.
Physics & Space Science
Population II stars contain about _____ atoms heavier than helium
A) 0.1 percent B) 0.5 percent C) 1.1 percent D) 2.3 percent
Physics & Space Science
When a hunter fires a rifle, the hunter feels a force against her shoulder. Explain why
What will be an ideal response?
Physics & Space Science