Which is the best example of technological design?
select one:
a. researching oceanic current cycles
b. researching the origin of the cosmos
c. researching a new aids treatment medication
d. researching north american swallow migration patterns

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