The form "most active" is the superlative form of the adjective "active."
The comparative is more active.
For the adjectives less and slower, the superlatives are least and slowest. The superlative adjective form of the adverb more rapidly would be most rapid.
Molecules move more rapidly when heated as their kinetic energy is increased so their speed increases.
Slower.
Better is to worst as slower is to fastest.
No matter or energy does not move. usually, frozen matter tends to move slower than warmer substances because if you heat up something, the atoms move more rapidly, moving into each other. If you do the opposite to that something, the atoms will slow down. -kos
The question isn't entirely clear. Slower than what, exactly?
most active
"Slowly" is the adverbial form of the adjective slow. Comparative and superlative forms are slower and slowest.
Slowest
slower, slowest
The superlative of slow is slowest. The comparative is slower.
Slower is an adjective.Slow is the positive degree.Slower is the comparative degree.Slowest is the superlative degree.
slower, slowest
slower, slowest
slower, slowest
steoird
the comparative form of SLOW is SLOWER. And superlative form is SLOWEST.
Despite the common usage in many places of the world to say things like: "John walks slower than me" the appropriate comparative is "more slowly" and the superlative form is "the most slowly"