The Venus fly trap is a plant that has a unique system by which the traps and breaks down its prey unsuspecting a insects in land and leave

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

its temperature is increasing. this causes molecular vibrations to increase.

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.