Answer:
B excretes liquid waste dioxide.
Answer:
true
Explanation:
About 90 percent of nonmelanoma skin cancers are associated with exposure to ultraviolet radiation from the sun.
<span>Puberty begins when the pituitary gland increase the amount of hormones in one blood stream. Puberty is the process of physical change during which a child body's mature and become transformed into an adult body which is capable of reproduction. The onset of puberty is characterized by releasing of different types of hormones, especially reproductive hormones into the blood stream.</span><span />
Answer:
social experiment
Explanation:
According to my research on studies conducted by various sociologists, I can say that based on the information provided within the question the study just described is a social experiment. This type of experiment focuses on research which test a human's reaction to certain situations or events. Which is what is happening in this situation with the students.
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Answer:
16 - 24 times
Explanation:
you can time yourself but the normal stands like this
