No ! False ! The answer is false !
Answer:
Becase dissacharides only contain two sugar monomers (glucose, fructose or galactose) whereas polysaccharides contain many sugar monomers.
Organisms compete for the resources they need to survive- air, water, food, and space. In areas where these are sufficient, organisms live in comfortable co-existence, and in areas where resources are abundant, the ecosystem boasts high species richness.
H2+1/2O2-->H2O
since there are two atoms of hydrogen present in the reactants and in the product you don't need to add any number before H2
we add 1/2 before O2 because only 1 atom is needed for the water molecule