Because the suffix is -ene. Anything that ends in ene is an alkene.
Stratospheric ozone is formed naturally through the interaction of UV radiation with molecular oxygen.
not sure if this is what you want but hope it helps!!!
Answer:
Mechanical weathering will cause wearing down of rocks.
Explanation:
All the other choices aren't suitable for a dry climate where sand storms occur.
Generally, 60% of the mass of body is water.
So, amount of water in 100 kg person is:

In order to calculate the mass of a person if all the water were removed, then:

Mass of the body =
[
Mass of the content of water in the body = 
Substituting the values:
Mass of a person if all the water were removed =
.
Hence the mass of a person who weighs
will weigh
if all the water were removed from the body.
6g...........3g..........1,5g........0,75g
0d..........14d.........28d.........42d
After 42 days 0,75g of Phoshorus-32 will remain.