If one parent has sickle cell anemia and the other parent is a carrier, what is the possibility that their child will have sickle cell anemia

Often on a topographic map, every fifth contour line is darkened. what is this line called? a. key b.slope c.benchmark d. index contour

What is a number added in front of a formula in order to balance the equation

Which order shows the levels of organization from largest to smallest? organism, organ system, cell, organ, tissue organism, tissue, organ system, organ, cell organism, organ, organ system, cell, tissue organism, organ system, organ, tissue, cell