Answer:
A. halloween is the most important holiday
4. The prepositional phrase in this sentence is "in an area", the subject is "The blast", and the verb is "flattened"
5. The prepositional phrases are "in Russia" and "to the remote region", the subject is "political events", and the verb is "delayed".
6. The prepositional phrase is "in 1927", the subject is "the first researchers", and the verb is "explored"
7. The prepositional phrases are "by the extent" and "of the devastation", the subject is "They", and the verb is "were amazed"
8. There are no prepositional phrases in this one, the subject is "no crater", and the verb is "was found"
9. The prepositional phrases are "of times" "than an atomic bomb", the subject is "scientists", and the verb is "estimated".
10. The prepositional phrases are "after exploring many theories", "about five or six miles", and "above the Earth", the subject is "most scientists", and the verb is "believe".
I hope this helps you out! :-)
rereading and correcting errors in a completed draft..
<h2>Mark as brainlest answer</h2>
Its Definition and example
because its said "For example" in the passage.
1. The property of crime victims are put on display.
2.The level of birth defects from these drugs are not yet known.
3.The number of people with serious chronic conditions like diabetes or cancer are increasing.