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jeka94
3 years ago
9

Which of the following is a method used to obtain the relative age of a rock or fossil?

Biology
1 answer:
Len [333]3 years ago
8 0

Answer:

B

Explanation:

Radiometric dating uses naturally occurring radioactive elements such as carbon-14 within the rock or fossil to estimate its approximate age. The half-life of the element must also be known. The amount of the radioactive trace element is compared to, in a ratio, with that of the number of the decay product elements. This approximate age can then be relatively compared to those of other rocks or fossils.

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In photosynthesis, what substances come in from the outside, what substances are produced
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Carbo dioxide, water and sun's energy comes fron the outside.... energy and Oxygen molecule are produced
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Which of the following represents the correct format for the scientific name of an organism? Which of the following represents t
scZoUnD [109]

Answer:

<em>Staphylococcus aureus</em>

Explanation:

According to the rule of binomial nomenclature, the name of the organism is written in two parts that are-

1. Generic name- The first name which signifies the genus of the organism, the word represents the noun of the organism, the first letter of the word is always uppercase that is like in the "Staphylococcus"

2. The specific epithet-the second name of the organism represents the species which is usually a noun, and the first letter of species is always written in lowercase like in the aureus.

The scientific name should be written either in the italicised form or if not possible to write in the italicised form than underline the name.

Thus, <em>Staphylococcus aureus </em>is correct.

4 0
3 years ago
Nonmetals take __________ from the metals they are attracted to.
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Nonmetals take electrons from the metals they are attracted to in order to become stable. 
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3 years ago
Which of the following statements about drug resistance is FALSE?
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Answer:

The false statement is e. It is found only in gram-negative bacteria.

Explanation:

Drug resistance is a condition that is usually developed in bacteria because of the wrong use of medicines. This condition can cause a mutation and can be transferred with horizontal gene exchange, that does not require breed and it can happen between two grown bacteria. As it happens in all species of bacteria, therefore it's not only found in gram-negatives.

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3 years ago
According to the nebular theory, a solar system begins when an interstellar cloud, containing approximately 75% hydrogen, 25% he
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"Gravitational attraction" is initially responsible for the formation of the clumps of matter within this interstellar cloud.

<u>Answer:</u> Option C

<u>Explanation:</u>

About 4.6 billion years ago, the solar systems were a bunch of gases and dusts, referred to solar nebula. Gravity squeezed the material as it started to rotate, creating the sun at the middle of the fog.

The rest of the material began to accumulate with the sunrise. The smaller particles moved together to form larger particles that were connected by gravity. As lumps develop, gravity increases and turns into kinetic energy of moving particles that collide and produce heat.

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