Answer:
The alloys used to make coins are usually Copper, Zinc and Nickel. There are several reasons: The alloy must be very hard to withstand the use and circulation of the coin to not wear out soon. Then, the alloy must have a value less than the value of the currency to avoid that are founded and sold as mere metals.
Explanation:
Answer:
10) 8540000000000
11) 0.0000000000002101
12) 3051000000
13) 0.00000000000000000000594
14) 82700000000000
15) 0.0000000000000000000827
16) 2511000000000000
17) 0.000000000000000482
18) 32100000
19) 28800000
put glass on flat surface, pour the liquid in GC , read the value on the graduated cylinder from the bottom of the meniscus at eye level. The volume of a liquid is most commonly measured in? The Water Displacement Method is used to measure the volume of solid objects with irregular shapes.
Answer: Water is the only known substance on Earth that exists naturally in three states: solid, liquid, and gas.
Explanation: