Use the following pedigree for a family in which dark-shaded symbols represent, individuals with one of the two major types of colon cancer. Numbers under the
symbols are the individual's age at the time of diagnosis.
68
40
IV
20
a. What do the circles represent?
b. What do the squares represent?
c. From this pedigree, how does this trait seem to be inherited? ​

the answer is c most of the fortnite players usually buy v bucks to get the battle pass and other cosmetics but some players who are referred to as "no skins" don't   buy skins and are usually noobs.

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.