The word is 'con' to make:
(other words include cave, junction, verse, and vex)
CON
The answer is post, to make postcard, postbox, postcode, postbag, and posthaste.
rotator
front
The word mar is added, creating the words marbled, marrow, margin, and martin (bird).(see the related link)
CON
sweed
The smoke was so DENSE I couldn't see my 2 hand in front of me
make.
The smoke was so dense I couldn't see my hand two inches in front of my face. That student is really dense; he can't answer a single question.
a warm front moves faster then a cold front because it is less dense
a warm front moves faster then a cold front because it is less dense
A root word is the base to which prefixes or suffixes are added to create new words. A root word can be found at the front, middle, or end of a word.
It appears you are looking for CON to make conduct and consign, but contense is not a word. The only three-letter combination you can use in front of TENSE is pretense, which does not work with the other two words. However, if you replace TENSE with DENSE, your question would work.
an affix that is added in front of a word while a suffix is an affix added at the end of a word
Yes, because the warm air is always less dense, so it rises over the cold front.
warmer, less dense air