Well normally it depends on what kind of cake it is but there is a couple I know 1) stick a tooth pick in the center if it comes out clean it means the whole thing is done. 2) if the edges turn brown I hope this helps some.
I. Increased carbon emissions
seems to be unlikely/wrong, so options c and d are out
I would go with a, but it's almost 50/50 to b.
my best advice is that c and d are nonsense based on III and I
Answer:
The answer is B:cognitive skills