The disease erythroblastosis fetalis develops in a fetus or a newborn infant with rh-positive blood and an rh-negative mother. symptoms result when maternal anti-rh antibodies cross the placenta and interact with the fetus' erythrocytes. why are the children of rh-positive mothers not at risk for this disease? why are rh-negative fetuses not at risk for this disease?

Liquid water turns into water vapor at which step in the water cycle? a. precipitation o b. water run off c. evaporation d. condensation

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

Fruit bats in central america eat bananas and other fruits. banana plants rely on bats for pollination. what would be the most likely consequence on the banana crop if fruit bats were eliminated from the area? the banana crop would increase because bats would stop eating the crops. the banana crop would decrease because bats would no longer pollinate the crops. the banana crop would remain constant because bees would replace the bats. the banana crop would remain constant because the plants would adapt using asexual reproduction.