A is the correct answer but if that’s not the right answer d is
C. Increased levels of carbon dioxide in seawater would cause ocean acidification and weaken corals.
Pollution, predator’s, and lack of resources
The nutrient that is responsible for causing most accidental deaths in children is iron.
Answer:
The correct answer is option C, Scientists argue, re-examine, and consider new explanations to new data.
Explanation:
Science is a subject which is learned through continuous assessment.
All the established scientific theories are considered as the best explanation to any concept or fact. These established theories were also tested several times and were supported by peers during the time of their discovery. But yet the scientific theories changes as theories need to be progressive. Which means they must be embedded with scope of re framing itself in future if some better explanation for the same theory is found.
Science is however, a continuous process of learning.