Converting a number to its scientific notation with two significant figures gives 5.5x10^3. Scientific notation is used to denote large or complicated numbers more easily. It basically involves shortening the number by moving the decimal point. A "10^n" is then included to make sure that the number is still the same. Sometimes, writing the scientific notation also requires rounding off the number.
Not necessarily, no. First of all, when humans breed, there are different genotypic offspring. Huttington's is dominant, but if you have 2 parents who dont have it and they cross, then of course their offspring wont have it. Not everyone is a carrier so no, 3/4 population would not have it
Answer:
These mainly occur as a result of agriculture, mining, water usage and consumption of fossil fuels, all of which have been enabled by advancements in technology. Due to the increasing global population, levels of natural resource degradation are also increasing.