The big bang theory states that 1.the universe will explode 2. the universe is contracting 3.the universe cannot expand anymore 4.the universe began as a small, dense ball of matter

Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Coral have a symbiotic relationship with what in order to eat?