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kogti [31]
3 years ago
11

You can be infected with a virus and not even know it. a. True b. False

Biology
2 answers:
stepladder [879]3 years ago
7 0
That would be true. Unless there is symptoms and signs a virus can go undiagnosied for long periods of time. For example, some viruses have a period of what is called latency which is when the virus is at low levels and reproducing slowly and few people will have symptoms. Some viruses that have these periods are HIV, HSV 1, retroviruses.
Alex Ar [27]3 years ago
3 0
You can be infected with a virus & not even know it & that is true
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Step2247 [10]

Answer:

C. Darwin performed an experiment that supported his hypothesis.

Explanation:

Darwin believed that his experiment, which was comparing the finch's beaks from Galapagos Archipelago, in which there was variation between the size and shape of beaks, as the basis in which he believed evolution was correct. However, variation does not mean evolution, and evolution, in which it calls for a chain of events to create beneficial traits successively, is nigh impossible to occur in the real world. Again, that is not to say that there is no such thing as variation, in which there is, in which people or animal groups adapt to their natural habitat. However, to state that adaptation is proof that a species becomes another is to go out on a limb, and current failures of "new species" (in that it originates from today's day and age, rather then <em>discovered</em>) to emerge is proof of such.

7 0
3 years ago
The respiratory system is responsible for the exchange of oxygen with which gas?.
GuDViN [60]

Answer:

CO₂, also known as carbon dioxide

Explanation:

In the alveoli, oxygen enters the bloodstream, and carbon dioxide exits, the latter to be exhaled from the lungs.

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2 years ago
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Andrei [34K]
C.  flower plant and a bee
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The answer would be DNA
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