Question

urgent plzz answer nd I will give u BRAINLIEST
turn into compund sentence :

everyone knows that the earth is round

1) the earth is round is a known fact
2)everyone knows that earth is circular in shape
3)the earth is round and everyone knows it.
4) the earth is round is known to everyone
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Answer 1

A Complex Sentence consists of one principal clause and any number of subordinate clauses.

A Noun Clause is a subordinate clause which does the work of a noun in a complex sentence.

In this case,

Option C is correct. The subordinate clause That the Earth is round acts as the subject of the verb is known in the principal clause. The subject is always either a noun or a pronoun. Henceforth, That the Earth is round is a subordinate noun clause as it behaves as a noun.

Option A is incorrect as the sentences have been joined by a subordinate adjective clause where the noun The Earth is being described.

Option B is incorrect as the sentences have been joined by a subordinate adverb clause which modifies the verb 'knows' in the principal clause.

Option D is incorrect as it's a simple sentence.

Answer 2

Explanation:

shape of the Earth as a physical fact and calculated the Earth's circumferenc