Answer: A.
Explanation:
Two independent clauses can be connected by using a comma followed by a coordinating conjunction like the ones below:
for
and
nor
but
or
yet
so
The best correction of the sentence would be:
We ran to catch up with the bus, but we missed it by just a few seconds.
Answer:
What are chemical sedimentary rocks formed from?
chemicals weathered together
chemicals cemented together
chemicals compacted under water
chemicals dissolved in water
Explanation: