In bryophytes growth takes place at : a) apices
b) lateral region
c) through out the body d) All are correct

apices

Explanation:

The growth occurs by single apical cell in initial stages, But mature plants have several scattered apical cells on the margin so growth also takes place at many points..

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

the answer would be..

b. sucking