C the size of glaciers in alaska
Answer:
Explanation: see attachment
9514 1404 393
Answer:
(3) 16
Explanation:
The diagonal sides are each the hypotenuse of a triangle with sides 3 and 4, so they are √(3²+4²) = √25 = 5 units long. The horizontal sides are 3 units long, so the perimeter is ...
2(5 +3) = 16 units
Therefore, 18 gram atoms hydrogen are present in dilute acid. Hope this helps :)