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What is a reason why fossil fuels are called exhaustible natural resources?
Once coal, oil and natural gas has been burned, they can't be replaced. Therefore, they are not renewable resources.
What is the difference between synthetic and natural fiber?
Natural fibres have been found or have been raised, though synthetic fibres have been man made. synthetic fibers have been made in a factory of some sort and natural fibers have been made by something that can be found in nature
Which describes why Mendeleev succeeded where other failed?
He realized that some elements had not been discovered.
How long has natural gas been used?
Natural gas has been used for thousands of years, dating back to ancient civilizations who utilized seepages of natural gas in the ground for heating and lighting. Modern extraction and widespread use of natural gas began in the 19th century with the development of pipelines and infrastructure for transportation.
Why natural cement's uses are limited?
Natural cement's uses are limited primarily due to its lower strength and durability compared to modern hydraulic cements. Its setting time can be unpredictable, and it is more sensitive to moisture and environmental conditions. Additionally, the variability in composition from natural sources can lead to inconsistent performance, making it less suitable for applications requiring precise engineering standards. As a result, it has largely been replaced by more reliable and versatile synthetic alternatives in construction.
What is pseudophakia?
it means you have implants after cataract surgery.
What is the most popular natural resource that England uses?
It used to be coal but that has now been replaced by North Sea Natural Gas.
What is a reason why fossil fuels are called exhaustible natural resources?
Once coal, oil and natural gas has been burned, they can't be replaced. Therefore, they are not renewable resources.
What synthetic materials replaced natural materials?
There are many. At one time Linseed Oil was the resin used by painters. It has been replaced by synthetic resins such as alkyds. Styrene-Butadiene ruuber has replaced natural rubber in many applications. Plastics, polymers and composites have replaced or partially replaced many metals and wood.
What is pseudophakic?
When an eye is pseudophakic, the natural lens has been surgically removed and replaced by an artificial lens - an implant. These days the implant procedure is undertaken as soon as the opaque lens (cataract) is removed. Before this combined procedure became widely popular, with the introduction of artificial lenses, the natural lens was removed and the vision was corrected with spectacles and contact lenses- the eye being known as aphakic. *Please read senile cataracts, traumatic cataracts and congenital cataracts.
In India FERA has been replaced by?
= FERA has been replaced by FEMA =
How many amendments have been replaced?
One amendment has been replaced
How do you refurbish old cedar shingles?
They must be cleaned,inspected for damage and the natural oils that have been depleted must be replaced with an oil based product
What does the term sugarless or sugar free mean?
It means the natural sugars have been replaced with chemical sweeteners. These can cause allergic reactions and other problems.
What replaced WEP?
WEP has been replaced by WPA.
How do you get the Audi key fob to work once battery has been replaced?
you cant get it to work when it has been replaced.
How has the steam engine been replaced?
Steam engines have been replaced by electric motors for most applications.
