The correct option is this: A STUDY BY DR BIRDIE SHOWED THAT THE NUMBER OF SONGBIRDS IN HER YARD INCREASED DUE TO A MODIFIED FOOD SOURCE.
A scientific claim refers to a claim that is made by a scientist due to the result that he or she obtained in the research that are conducted. In the excerpt given above, it can be seen that Dr Birdie experience influx of songbirds to her yard as a result of the dried apple and the raising that she added to the birds' food.
Answer:
It will be (cementation).
That's the correct answer.
Simply put, the glass in the analogy traps the sun’s heat inside the greenhouse, warming the interior and not letting the heat escape, just like greenhouse gases (CO2, methane, etc) trap the sun’s heat in the atmosphere, warming the planet and preventing heat from escaping back into space.