Which organism appeared on earth first?
gastropods
or
horn corals

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an