Answer:
causes a substance to change from a liquid to a solid.
Explanation:
Answer:
The force of gravity between two objects will decrease as the distance between them increases.
Explanation:
Slavery played a big role in this. the confederacy allowed slavery while the union was oppose to it.
D) basic ions contain some H+ ions
Answer:
Explanation:
In order to convert 6.7 hectometers to meters using dimensional analysis, you must use the ratio of hectometers to meters.
There are 100 meters in one hectometer, then you start setting the equality: 100 m = 1 hm.
Dividing both sides by 1 hm you get the fraction form of the ratio, with meters (m) in the numerator and hectometers (hm) in the denominator.

Since hm is in the numerator, when you multiply 6.7 hm by the unit ratio the hm will be canceled and the result will have only m:
