Which two things need to be perfect in order for petroleum to form?
rocks and metal
wind and water
soil and metal ore
pressure and temperature
pressure and temperature
Why are resources like soil, petroleum, and metal ores, nonrenewable?
There is not enough heart and pressure to create these resources.
There is plenty of time for these resources to renew as humans use them.
They are being used up faster than they can be formed again.
They have been broken down over million of years and cannon be used.
They are being used up faster than they can be formed again.
Which best describes how soil is formed?
Soil is formed over millions of years as rocks are melted from extreme heat.
Soil is formed over a few days as the wind blows particles of sand from one place to another.
Soil is formed over millions of years as rocks stack on top of each other.
Soil is formed over hundreds of years as rocks are broken down into tiny particles.
Soil is formed over hundreds of years as rocks are broken down into tiny particles.
Why are metal ores not found in every part of the world?
Only some places have the correct conditions for metal ores to form,
Metal ores are only found where organisms have died.
Only some places have the right water and wind to create metal ores.
Metal ores are only found where there are mountains.