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skad [1K]
4 years ago
12

Which process has been largely responsible for increasing the amount of co2 in the last 200 years? increasing cattle ranching wo

rldwide burning of fossil fuels?
Chemistry
1 answer:
GalinKa [24]4 years ago
3 0

Answer:

worldwide burning of fossil fuels

Explanation:

The heavy usage of the fossil fuels as energy sources for the industry has resulted in much increased emissions of CO2 in the atmosphere. It all started around 200 years ago with the Industrial Revolution. In order for the machines to function, efficient energy sources were needed, and the best thing at that time for that was the coal. Through the burning, the coal manages to release enormous amounts of CO2 into the atmosphere. After some time, the oil was discovered as well, and it started to be heavily used as well, further increasing the CO2 emissions. As the technology has been developing more and more, the demand for the usage of the fossil fuels has been increasing constantly, so there's an ever growing CO2 emissions into the atmosphere.

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Which of the following is not a characteristic of life?
Sophie [7]

Answer:

C

Explanation:

Well movement is, reproduction is, responsiveness is, metabolism is, so accumulation would be the answer.

7 0
3 years ago
What is Science-Based Medicine?
SSSSS [86.1K]

Answer: Medicine is a scientific field whose subject of research is the health and well-being of living whips.

Explanation:

Primarily medicine deals with the study of man and the treatment of man, but also of some animal species. Two principles are founded: theoretical research and practical, or often called a clinical policy. The academic and research law will enable a specific area, disease, congenital disability, or condition to be defined, studied in detail, and after the conclusion of tests performed. Concluded medical theory is most often put into a usable form through various educational processes, which will lead to the ultimate goal - to improve the health of living forms on which this theory will be applied.

6 0
3 years ago
What is the pH of a buffer that consists of 0.254 M CH3CH2COONa and 0.329 M CH3CH2COOH? Ka of propanoic acid, CH3CH2COOH is 1.3
Shtirlitz [24]

Answer:

4.77 is the pH of the given buffer .

Explanation:

To calculate the pH of acidic buffer, we use the equation given by Henderson Hasselbalch:

pH=pK_a+\log(\frac{[salt]}{[acid]})

pH=-\log[K_a]+\log(\frac{[salt]}{[acid]})

pH=-\log[K_a]+\log(\frac{[CH_3CH_2COONa]}{[CH_3CH_2COOH]})

We are given:

K_a = Dissociation constant of propanoic acid = 1.3\times 10^{-5}

[CH_3CH_2COONa]=0.254 M

[CH_3CH_2COOH]=0.329 M

pH = ?

Putting values in above equation, we get:

pH=-\log[1.3\times 10^{-5}]+\log(\frac{[0.254 M]}{[0.329]})

pH = 4.77

4.77 is the pH of the given buffer .

7 0
3 years ago
An alkaline solution has more hydrogen ions then hydroxide ions.<br><br> a. True<br><br> b. False
ANTONII [103]

Answer:

True

Explanation:

When a base is dissolved in water, the balance between hydrogen ions and hydroxide ions shifts the opposite way. Because the base "soaks up" hydrogen ions, the result is a solution with more hydroxide ions than hydrogen ions. This kind of solution is alkaline.

8 0
3 years ago
Calculate the volume of mercury with a density of 14.6 g/mL and a mass of 1.00 g. Please include a numeric value only with signi
spayn [35]
The volume is 0.06849315

3 0
3 years ago
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