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What word means not naturally occurring in physical science?
The word you are looking for is "synthetic," which means not naturally produced or existing, but instead created through artificial means or processes in physical science.
In artificial selection what factor substitutes for naturally occurring selection pressures?
Human choice or preference substitutes for naturally occurring selection pressures in artificial selection. Instead of environmental factors determining which traits are advantageous, human breeders actively select for specific traits, leading to changes in the gene pool of the population.
Is mercury a natural?
If you mean a naturally occurring element, yes. However it is reactive and therefore not usually found in the pure metal form, instead it is found in compounds as ore.
Who is a solid naturally occurring substance coal forms from the remains of plants and animals is coal a mineral explain?
Coal is not a mineral because it does not have a crystalline structure, which is a key characteristic of minerals. Instead, coal is a naturally occurring organic sedimentary rock made up of the remains of plants and animals that have undergone compaction and chemical changes over millions of years.
Do inorganic fertilizers effect plant growth?
Yes, any fertilizer will effect the plant's growth. It's just that inorganic fertilizers are made chemically instead of being made from naturally occurring ingredients.
Why is plasma not naturally found on earth?
because earth does not have the energy to produce plasma
Did viruses originate naturally or are they a hybrid?
Both. Viruses are naturally occurring organisms that have been around "forever". They have the ability to mutate or change themselves into new shapes and types sometimes using genetic material from more than one kind of virus, which would make them naturally occurring hybrids. They were not man-made.
What is organic and artificial memory?
Organic would be the type of memory people have, made of living cells. Artificial would be like computer RAM (Random Access Memory) or a computer hard drive, something that is created by people instead of occurring naturally.
What is a mi mineraloid?
It is important to distinguish between a mineral and a mineraloid. A mineral is an inorganic, naturally occurring substance that has a characteristic chemical composition, distinctive physical properties, and solid crystalline structure (an order 3 dimensional arrangement of atoms or molecules). If it does not have this solid crystalline structure, it is not a true mineral and is therefore a "mineraloid."
Why should tidal energy be used instead of fossil fuels?
Fossil fuels are running out quickly, as evidenced by the recent rise in the cost of gasoline due to the negative speculation regarding the "Libya crisis". Whereas 'wave' or 'tidal' energy is naturally occurring and 'renewable'.
What is used instead of field coils in an electric motor?
permanent magnets
Can i keep my drive shaft instead of replacement?
Depends on the condition of the driveshaft. In some instances, you can just get it rebalanced.
