Features that make this passage informal are:
a.) expression of subjective feelings - It's the way I make them.
c.) incomplete sentences - beat with a wire whisk. Done.
e.) first-person point of view - use of I.
it says choose all that apply. meaning there is more than one answer. you only chose one. the answer you chose is correct but "the substance" and "the amount" go along with "difference in temperature".
Answer:
First option is May be correct as per my knowledge
