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yuradex [85]
3 years ago
10

4. What must be true about an index fossil whose absolute age is used as a reference for other fossils?

Biology
2 answers:
sp2606 [1]3 years ago
8 0

The correct answer is option C

Index fossil can be defined as the as the reference for the determination of the absolute age of the other fossils.

The age of index fossil can be determined by the radioactive dating or another method by which the absolute age of the index fossil can be determined.

Its age was used as reference to find the age of other fossils.

Pavel [41]3 years ago
4 0
If an index fossil whose absolute age is used as a reference for other fossils, it was determined only by radioactive dating or another absolute method.
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the thesis statement names supporting points in the same order that they appear as the paragraphs in the body section.
algol [13]

Answer:

True

Explanation:

A thesis statement provides the idea of what the thesis is going to be in about two sentences. The sequence of the statement is simply the introduction of the topic and then the position the author is taking in regards to the topic by providing the supporting points in a similar way as provided in the body. This way the thesis statement does name the supporting points in the same order that they appear as the paragraphs in the body section. Hence, this statement is true as the supporting argument is presented in the same sequence as it is presented in the body section.

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Answer:

The correct option is : It undergoes a lysogenic cycle.

Explanation:

A virus can replicate inside a host cell by two process :

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In the lytic cycle, the viral DNA makes copies of itself and manufactures the viral machinery inside the host cell. Eventually, the host cell bursts causing the release of the viruses. In such a condition the varicella virus would cause chicken pox.

In the lysogenic cycle, the DNA of a virus get incorporated into the DNA of the host. The viral DNA might replicate when conditions become favourable and cause diseases. In such a condition, the varicella virus would cause shingles.

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Answer;

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Environmental chemistry is the study of the chemical and biochemical phenomena that occur in the environment.It relies heavily on analytical chemistry and includes atmospheric, aquatic, and soil chemistry.

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