A man and a woman marry and have four children with the following blood types Type A Type B, Type AB, and Type 0. What are the genotypes of the parents? Hint work the problem backwards Please help

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

hello

answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

ask your friends for what they got then copy it down if you don't have any friends which is fine than google it or pay the teacher