Clumps, waves are the two plural nouns.
Answer:
a. Run on
Explanation:
'The Canadian side of Niagra Falls is beautiful,' is a complete thought, therefore it should be followed with a period.
Answer:
Without any doubt at all, these are the correct answers:
When he scored the winning point, everyone cheered.
The days are warmer. Soon it will be summer.
Since his ankle is not healed, Gerald cannot go hiking.
Explanation:
An oxymoron is contradicting words (deafening silence, jumbo shrimp, etc), a paradox is contradicting ideas (I must be cruel to be kind)