What are the possible genotypes for blood type of the offspring of two parents, one with blood type O and one with blood type AB?

Always use significant figure rules. remember that these rules apply to all numbers that are measurements. if a vector that is 3 cm long represents 30 km/h, what velocity does a 5 cm long vector which is drawn using the same scale represent? a.100 km/h b.60km/h c.50km/h

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?