Once nutrients have been broken down through the process of cellular respiration, Which of the following must also happen in order for an animal cell to maintain homeostasis? A. The cell must take in sunlight.
B. The cell must remove wastes.
C. The cell must use up the energy molecules.
D. The cell must lower its operating temperature.

Which choice analyzes the parts of the word and determines the meaning of the word spectator

Read the aphorisms. be slow in choosing a friend, slower in changing. an open foe may prove a curse; but a pretended friend is worse. a true friend is the best possession. according to these aphorisms from benjamin franklin's poor richard's almanack, what might happen if a person is careless in choosing a friend? it is best not to have friends because they will usually betray you. casual friends are often the best and can be more trusted than enemies. a person who has betrayed you can sometimes become a good friend. a friend who is not carefully chosen can be worse than an enemy.

Mrs. walter’s husband died in 2016. she has not remarried and has maintained a home for herself and her dependent son, whom she can claim as a dependent. in the summer of 2018, the son was killed in an automobile accident. what is mrs. walter’s filing status for 2018