They are compounds made of the same two elements, but each contain different numbers of atoms.
CH4 means "One C, and four H's are in this molecule"
C4H10 means "Four C, and ten H's are in this one."
Answer:
The correct option is C. An encounter with an infected animal
Explanation:
An opportunistic organism can be described as an organism that causes infection when it gets certain opportunities or certain conditions. If the opportunities are not there, then the opportunistic organism will not be able to cause infection. For example, a weakened immune system might be an opportunity for opportunistic microorganism to cause infection.
An encounter with an infected animal would not cause disease because there would be no opportunistic conditions available for the pathogen.
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<span>All signals or messages going to or from the nerves travel through the spinal cord.
</span><span>True</span>
