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Answer
The skateboarder applies pressure to the trucks and gives/releases pressure on the levers. Second, the wheels and the axles are also examples of simple machines. They help the skater ride, spin, grind, and do a bunch of other radical movements on a skateboard.:
Explanation:
Answer:
Explanation:
Given data:
Ammonia Nitrogen 30 mg/L
pH = 8.5
-log[H +] = 8.5
[H +] = 10^{-8.5}
Rate constant is given as
...........1
Total ammonia as NItrogen is given as 30 mg/l
=
.....2
from equation 1 we have
{10^{8.5}}
plug this value in equation 2 we get
Total ammonia as N = 30 mg/lt
Answer:
Nuclear attack(tornado, tsunami)
Explanation:
Well, at those attacks, when being on surface can be dangerous. So, any kind of disturbed oxygen (eg with some gas attack). Also when there is an air strike for example.