The subordinate clause in this sentence is because I forgot to buy milk. The whole sentence is used as an adverb. Adverbs are used to answer questions such as where, when, or in this case, why.
Why did I have root beer in my cereal? Because I forgot to buy milk.
Answer:
the third one..genital herpes
How they are going to: achieve higher goals.
:)
Answer:
unfriendly and showing that you do not approve of someone or something. Example
Alex's mother gave him a frosty look.