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irakobra [83]
3 years ago
12

Evidence for the theory that an atom is mostly empty space was supported by research of which of these scientists

Biology
1 answer:
Dmitry_Shevchenko [17]3 years ago
8 0
<span>energy change occurring in the atom?

</span>
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Which of the following cells is formed by meiosis?
Lilit [14]

Answer:

B. A sperm cell

Explanation:

Meiosis creates gametes/sex cells, such as the sperm and egg.

So, sperm cells are formed by meiosis.

Meiosis doesn't create fertilized eggs, it instead creates normal egg cells.

Meiosis also doesn't create heart and bacterial cells because those are made in mitosis.

So, B is the correct answer.

6 0
3 years ago
4. What three factors contribute to natural selection? a.Static environment b.Variation of genes c.Overproduction of offspring d
Sophie [7]

Answer:

i think b and c. but not sure what the third is? only 70% sure.

Explanation:

8 0
3 years ago
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Which statement best describes how Channel and carrier proteins in the plasma membrane are similar
olganol [36]

Carrier and channel proteins in the plasma membrane are similar because they are both transport membrane proteins that allow molecules to flow in and out of the membrane. Meanwhile, carrier protein can further be classify as active or passive transport. These two transport proteins makes cell’s ability to perform their functions well by maintaining a difference between the intracellular and extracellular environment.

3 0
3 years ago
What is the most common source of contamination with <br> e. coli?
Tcecarenko [31]
The most common source of contamination with E.coli is by eating contaminated food like meat and eggs.
5 0
3 years ago
What type of human activities cause the elevation of atmospheric greenhouse gases
Leto [7]
The amount of greenhouse effect on Earth is directly proportional to the concentration of greenhouse gases in the atmosphere. In this era of industrialization, although it may seem that it has greatly improved the global economy, it also downplays the importance of consistently upholding our role as a steward to Earth. 

The most common types of human activities that continuously worsen the greenhouse effect are: burning of fossil fuels, agriculture, and industrial processes.

The burning of fossil fuels such as coal, oil, and gas emits carbon dioxide which accounts for approximately three-quarters of the warming impact caused by the greenhouse gas emissions. This is amplified significantly through deforestation. 

Methane, which accounts for 14 percent, and nitrous oxide, which accounts for eight percent are one of the major greenhouse gas emissions on earth. This can be sourced out from livestock and rice fields and also fossil fuel extraction and organic waste decay in landfill sites.

Industrial processes would incept fluorinated gases which accounts for one percent of the warming effect of current human greenhouse gas emissions.

Although it may seem that the values are not that high, but it must also be taken into consideration the several or a superfluous number of industries all around the world that simultaneously worsens the already groveling site of the continuously deteriorating and exploited planet Earth.
6 0
3 years ago
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