Insects have at least four pairs of legs.
a. true
b. false

yup that statement is true but usually they have to have six legs but at least 4

~batmans wife dun dun

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.

a physical change is being made.