Select the correct answer.
Your friend asks for your help examining research documents. You tell your friend it is necessary to determine the relevance and importance of
a source to the topic. What should your friend evaluate in each source to begin this process?
O A. blas
B.
generalizations
OC. main idea
OD. author's background
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Why was the united nations established

Which of these rose during the great depression?

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal