Is there any cure for corona

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

If your blood becomes too concentrated with iona, what will happen to the red blood cells

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material