Q13] A sugar cube measuring 1 cm x 1 cm x 1 cm dissolves exactly 1.33 times faster when it is cut exactly in two as shown as opposed to when an uncut cube is dissolved in coffee. Explain the origin of this exact number

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium