A sentence becomes a run-on sentence when it is composed of two or more clauses which are not separated by an appropriate punctuation or conjunction. From the given sentences above, the sentence that is a run-on sentence is option A. Most beetles can fly some beetles can't. This sentence contains two clauses and should be separated by a semi-colon. Most beetles can fly; some beetles can't.
Answer:
I think the answer is that prokaryotes have a nucleus and eukaryotes do not.
Explanation:
It is the first thing I think of when I think of a difference between the two.
''The Cambrian Period marks an important point in the history of life on Earth; it is the time when most of the major groups of animals first appear in the fossil record. This event is sometimes called the "Cambrian Explosion," because of the relatively short time over which this diversity of forms appears. It was once thought that Cambrian rocks contained the first and oldest fossil animals, but these are now found in the earlier Ediacaran (Vendian) strata.''
A) The earth spins
The Earth is constantly spinning, or "rotating", which causes day and night
Answer: B
Explanation: A lunar eclipse is where the moon is right in front of the sun. Thus causing darkness on the earth during the lunar eclipse.