Your roommate is not a science major but is interested in science and asks you to verify a rumor he has heard: it is theoretically possible for two people to walk through each other without causing harm. Confirm or refute what he has heard, and explain.
What will be an ideal response?
People are composed of molecules, which are in turn composed of atoms. Each atom is mostly empty space, because the protons, neutrons, and electrons are extremely tiny, and the electrons are relatively distant from each other and from the nucleus. A scientist acknowledges that there is often a finite probability, however small, that a very unlikely event could happen. If all of each person's subatomic particles were aligned just right, they could move through the other person's empty atomic space. This is so unlikely as to be practically impossible, however.
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The ____________________ effect refers to the reduced affinity of Hb for O2 in the presence of increased CO2 and H+
Fill in the blank(s) with correct word
Venous return to the heart is increased during expiration.
a. true b. false
Which of the following is the normal genotype of a female?
A. 2 X chromosomes and 44 autosomes B. 1 X chromosome, 1 Y chromosome, and 44 autosomes C. 2 X chromosomes and 21 autosomes D. 4 X chromosmes and 42 autosomes
What term is used to indicate the immunity was acquired through someone or something else?
A. Active B. Artificial C. Passive D. Natural