<span>Fasteners are double or triple threaded with the idea of durability. People look for durability in a fastener and if they receive one with triple threaded or double threaded they will feel more safe and at ease knowing it has extra strength added.</span>
Answer:
308657
Explanation:
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All matter is composed of atoms, indestructible building blocks.
Answer:
0.0059
Explanation:
According to the question the seismic activity density is given by

Here,
Number of Earthquakes over a given time span = 424
The land area affected = 71300 mi²
So,

The seismic activity density is 0.0059
Half of it can be be at 1000 watt microwave oven!!! I hope it help!!!!!!