What type of forest would you find south of spruce

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

+= + + balance the equation on coefficients, ex. 1,1,1

A) equal lines b) parallel lines c) perpendicular lines d) none of the above