Can someone please help me if this is correct

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

According to your text, should be in the native language of the parents or guardians whenever possible. a. an email b. consent forms c. oral approval d. storybooks loaned out

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?