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Anuta_ua [19.1K]
3 years ago
8

Which of the following statements is true about isotopes?

Biology
1 answer:
kirill115 [55]3 years ago
3 0
Isotopes are variants of a particular chemical element which differ in neutron number, although all isotopes of a given element have the same number of protons in each atom. The term isotope is formed from the Greek roots isos and topos, meaning "the same place"; thus, the meaning behind the name is that different isotopes of a single element occupy the same position on the periodic table.
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A manager wanted to test whether the amount of noise in a clothing factory affected how
katrin2010 [14]

Answer:

When seeking to determine the number of shirts made by employees subjected to noise with and without the use of headphones, the dependent variable is the number of shirts made by the employee.

Explanation:

In a study or research, the dependent variable is the result of the intervention on the independent variable, which can be modified. In the case presented, the dependent variable is the quantity of shirts made by the employees, the number of which is measured at the end of the study.

It is expected that those employees who block the noise using headphones produce a greater number of shirts than those exposed totally or partially to noise.

For the other options:

  • <u><em>The amount of noise</em></u><em>. This can modified by the use or not of headphones and is the independent variable, subject to modification.</em>
  • <u><em>The type of music the employees listen to while they work</em></u><em>.  Does not represent dependent or independent variable.</em>
  • <u><em>The amount of training employees need</em></u><em>. It is not the variable being studied.</em>
7 0
3 years ago
A cell with few energy needs would most likely contain a small number of ___________.?​
vichka [17]

Answer:

Mitochondria

Explanation:

Mitochondria is the site of cellular respiration which produces energy. A cell with few energy needs would therefore contain a small number of this organelle.

4 0
3 years ago
Read 2 more answers
Which of the following carbon compounds provides an important building block for cell membranes?
svet-max [94.6K]
I believe its A.  Nucleic acids
4 0
3 years ago
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What is Found in rocks that are 3.5 billion years old?
Pavlova-9 [17]

Fossil's, known as bones from early mammals.


Good luck!

4 0
3 years ago
The mutations that made snake venom deadlier over time had a positive impact on those snakes. How might those mutations have had
Burka [1]

Answer:

Explanation:

Im not 100% sure, but I think that because the snake venom gets stronger, other species that have adapted to the weaker venom have a harder time fighting it. For example, the honey badger can fight of snake venom with its very thick skin and ability to sleep it off. However, if the snake venom got stronger/deadlier, the honey badger would have a much harder time fighting it, and might die.

6 0
3 years ago
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