A phytoplankton bloom occurs resulting in the production of 10 g C/m2/day. If approximately 25% of the biomass is lost due to respiration, calculate the net primary productivity. C. 2.5 g C/m2/day 10 g C/m2/day 12.5 g C/ m2/day 7.5 g C/ m2/day b. d. I don't understand hel​

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)