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PLEASE ANSWER ASAP

Read the paragraph.

(1) In the global news recently, there has been a push to send a piloted mission to Mars. (2) But scientific experts argue that sending people is unnecessary. (3) They site advances in robotics and engineering which makes sending people into space obsolete. (4) Instead, all that money and human energy should be focused on studying the Earth’s oceans.

Which sentence contains grammar and usage errors and needs revision?

sentence 1
sentence 2
sentence 3
sentence 4

Respuesta :

1 and 2 are wrong. In 1 it must be "to send a pilot to a mission to Mars" and 2 must be with one . So the whole answer will be: "In the global news recently, there has been a push to send a pilot to a mission to Mars, but scientific experts argue that sending people is unnecessary."

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