The correct answer is Mitosis !! B !!
Mitosis did not do DNA varriations !!
Venus is the answer. That planet has a dense atmosphere of CO2, which has produced a runaway greenhouse effect.
Your answer would be D, because these are all relating to how the actions of the scientists will affect the environment and/or organisms.
One is to involve exercising curiosity in order to ask questions and seek answers about the universe.
The algae in the ocean have a very high Net Primary Productivity (NPP) and a very low amount of store biomass. This is because THE GROWTH RATE OF ALGAE IN THE OCEAN IS HIGH. The store biomass is low because THE PRIMARY CONSUMERS FEED ON THESE ALGAE THUS LOWERING THE BIOMASS AMOUNT. The production of biomass is related to the NPP.