An earthworm, Annelida [= ringed] has up to five pairs of hearts.
An earthworm, Annelida [= ringed] has up to five pairs of hearts.
An earthworm does not have any heart at all. But they do have an organ that acts similar to a heart and is usually called aortic arc.
One
100000000000
aortic arches is another term for heart, and an earthworm has 5.
There are a infinitely growing number of bond pairs between atoms.
ONE!
An earthworm has 5 eyes, that your answer!!!
Cl4 doesn't exist. It should be Cl2 and there will be 4 pairs of non bonding electrons on each chlorine.
In a human cell there are 46 chromosomes organized in 23 pairs.
It is seven (7) centimeters.