Answer:
Yes, trees are what give off oxygen and turn them it into carbon.
Carbon dioxide is emitted as a by-product of clinker production an intermediate product in cement manufacture, in which calcium carbonate (CaCO3) is calcinated and converted to lime (CaO), the primary component of cement. CO2 is also emitted during cement production by fossil fuel combustion.
<span> Romanticism author usually are famous for the picture they sketch with their words about nature and beauty
so He would like to write about the
</span><span>the beauty of a weeping willow
</span>so i conclude option C is correct
hope it helps
C. Lactic acid fermentation