Answer:
The answer is B: Scientists are confused by the different ways the rocks move, and the theories involving wind, ice, and mud have not been proven.
Explanation:
In the second paragraph, it is said that scientists have been baffled by the variety of rock movement. Then, there was a description of their movement and some possible reasons for why it happens. Some of the reasons(wind, ice and mud) were suggested by scientists. The paragraph then ends by saying that none of the theories have been confirmed by research.
This is conveyed very well by option B therefore it the correct option as the main idea of the paragraph.
Answer:
B, D, C,
Explanation:
Those are all good ways to start an introduction to your paragraph
Explanation:
shows a choice between two things and this is
Explanation:
just write a nice perfect letter
The object of the preposition in this sentence is “track”. The prepositional phrase “around the car” is modifying the verb “is racing” so it is acting as an adverb.
Prepositional phrases are a group of words that start with a preposition, in this case “around”, followed by an object. Prepositional phrases are a part of speech that can modify nouns (adjectival phrase) or verbs (adverbial phrase).
