Not exact matches
The precursors
of acid rain formation result from both natural
sources, such
as volcanoes and decaying vegetation, and human - made
sources,
primarily emissions
of sulfur dioxide and nitrogen oxide resulting from fossil
fuel combustion.
But unlike many
of the industries capitalizing on the low price
of natural gas, ammonia producers don't use it
primarily as a
fuel source.
When the body is
primarily using fat for
fuel as exercise, increasing carbohydrate won't be a big help because the body's fat - burning engine (which is what the body will depend on for racing) won't be availing itself
of those carbohydrates
as a main
source of fuel.
First, when you switch from using
primarily lipids
as your
fuel source instead
of glucose, there is a time period
of, shall we say, sluggishness.
It's well known that sulfate particles, formed
as a by - product
of fossil
fuel burning (
primarily coal and oil), make for a good
source of CCN.