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xxMikexx [17]
2 years ago
14

Which of the following is the main disadvantage of laboratory experiments? a. elimination of causal factor is increased b. the l

aboratory setting may not be a good representation of the real-world setting c. concomitant variation is not possible d. none of these e. exploratory research is enhanced
Biology
1 answer:
lisov135 [29]2 years ago
3 0

Answer:

b. the laboratory setting may not be a good representation of the real-world setting

Explanation:

The laboratory setting is different from the real world settings due to the real world settings having uncontrolled variables and conditions. Whereas the laboratory setting have controlled variables and conditions in which experiments could be performed under. The controlled or uncontrolled conditions could either influence the experiments positively or negatively.

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He chart shows rate of decay.
mina [271]

The value which is being measured in the columns labeled "Fraction remaining" and "Percentage remaining" is: D. amount of material that has not decayed.

<h3>What is a radioactive decay?</h3>

A radioactive decay can be defined as a radioactive process in which an unstable atomic nucleus undergoes a spontaneous transformation into one or more different atomic nuclei and simultaneously emits radiation, accompanied with a loss of energy.

<h3>The types of radioactive decay.</h3>

In Science, there are three main types of radioactive decay and these include the following:

  • Alpha decay
  • Beta decay
  • Gamma decay

Based on the information provided in the table (see attachment), we can reasonably infer and logically deduce that the value which is being measured in the columns labeled "Fraction remaining" and "Percentage remaining" is the amount of material that has not decayed.

Read more on radioactive decay here: brainly.com/question/23303931

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7 0
1 year ago
Tectonic plates are made up of rocks that are part of the?
Solnce55 [7]

Answer:

here ya go

Explanation:

A tectonic plate (also called lithospheric plate) is a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere. Plate size can vary greatly, from a few hundred to thousands of kilometers across; the Pacific and Antarctic Plates are among the largest.

7 0
3 years ago
One of the "triggers" proposed for the Cambrian explosion is a dramatic rise in oxygen concentrations that occurred in the ocean
ZanzabumX [31]

Answer:

1. Oxygen is an effective final electron acceptor in cellular respiration because of its high electronegativity.

2. Organisms that use it as a final electron acceptor can produce more usable energy than organisms that do not use oxygen, but only if it is available.

3. With more available energy, aerobic organisms can grow larger and move faster.

Explanation:

1. Cellular respiration is an aerobic pathway because oxygen is an electron acceptor. This process produces 38 molecules of ATP per glucose. The atomic elements that are positioned at the right of the periodic table have high electronegativities because they tend to be electron acceptors.  

2. The efficiency of energy production of aerobic respiration is much higher compared to the anaerobic respiration because this metabolic pathway (aerobic respiration) can produce 38 molecules of ATPs per glucose molecule, while anaerobic respiration produces only 2 ATPs by glucose.

3. A higher amount of available energy improves the metabolic profile of the organisms with aerobic respiration.

3 0
3 years ago
Which of the following describes the main role of the electron transport chain
Mumz [18]

Answer:

A

It produces molecules of ATP(Adenosine triphosphate)

3 0
3 years ago
What's Evaporation and transpiration..........<br><br><br><br><br> Koi zindh ha -_-
Ymorist [56]
Evaporation- The process of turning from
liquid into vapor

Transpiration- The exhalation of water vapor through the stomata
8 0
2 years ago
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