Answer:
They have no natural predators
Explanation:
:)
Cohesion occurs when molecules of the same substance are attracted to each other.
Hope this helps!
Explanation:
FACT; A fact has already been documented through experiments, determined by science or different scholars.
hypothesis; educated guess, to be proven T OR F.
SCIENTIFIC THEORY; WHAT Scholars believe to be true, it's just a theory that is not proven yet.
Scientific law; there are several, based on theory, & experiments, .
then follow the above to prove if your hypothesis is T or F..