The Earth's Mass is what directly influences its gravitational pull. The gravity produced by the earths mass keeps people grounded on earth and the moon in orbital rotation by pulling to the center of mass, the Earth's core.
Carbon is the essential atom of “hydrocarbons” from which all organic molecules required for life are formed.
Answer:
Natural Gas
Petroleum
Coal
Explanation:
1) Ethanol is not a fossil fuel
2) 94% of ethanol is produced from the starch in corn grain
3) fossil fuel definition: a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
4) fossil fuels are usually found in the earth's crust... not made from corn grain
Answer:
The construction of a new pier.
Increased non-motorized boat traffic would not really do anything, because the ocean would wash it away like always.
Recreational fishing wouldn't pose such a threat, we have been doing this for thousands of years.
Humans swimming around a pier wouldn't pose sucha threat either- they will not kill anyone.
But the pier would release a lot of sewerage, oils, and more harmful things than all of these other things combined.
Hope it helps!