<span>cartilage that the name </span>
A) sinoatrial node, atrioventricular node, atrioventricular bundle, bundle branches, Purkinje fibers.
It's the cleanest water and it has all kinds of fishes and animals.
Answer:
Convection currents in the earth's magma might drive plate motion .
Explanation:
Magma is the molten rock below the crust, in the mantle. Tremendous heat and pressure within the earth cause the hot magma to flow in convection currents. These currents cause the movement of the plates inside the planet ..
Aluminium is in Group 3 in the periodic table. Group 3 elements have a 3 valence electrons.
Thus elements like; boron(B), gallium(Ga), indium(In), thalium(Tl) in Group 3 have the same number of valence electrons as aluminium.
Hope it helped!