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stiv31 [10]
3 years ago
7

What are the impacts of increasing global temperatures on other aspects of regional climate and human civilization

Chemistry
2 answers:
Dmitriy789 [7]3 years ago
8 0
Climate change increases the risk of illness through increasing temperature, more frequent heavy rains and runoff, and the effects of storms. Health impacts may include gastrointestinal illness like diarrhea, effects on the body's nervous and respiratory systems, or liver and kidney damage.
svlad2 [7]3 years ago
7 0

Answer:

The effects of climate change span the physical environment, ecosystems and human societies. It also includes the economic and social changes which stem from living in a warmer world. Human-caused climate change is one of the threats to sustainability.[5][6]

The primary causes and the wide-ranging effects of global warming and resulting climate change. Some effects constitute feedback mechanisms that intensify climate change and move it toward climate tipping points. Many physical impacts of climate change are already visible, including extreme weather events, glacier retreat changes in the timing of seasonal events (e.g., earlier flowering of plants), sea level rise, and declines in Arctic sea ice extent. The ocean has taken up between 20 and 30% of human-induced atmospheric carbon dioxide since the 1980s, leading to ocean acidification.The ocean is also warming and since 1970 has absorbed more than 90% of the excess heat in the climate system.

Climate change has already impacted ecosystems and humans. In combination with climate variability, it makes food insecurity worse in many places and puts pressure on fresh water supply. This, in combination with extreme weather events, leads to negative effects on human health. Climate change has also contributed to desertification and land degradation in many regions of the world.[13] This has implications for livelihoods as many people are dependent on land for food, feed, fibre, timber and energy.Rising temperatures, changing precipitation patterns and the increase in extreme events threaten development because of negative effects on economic growth in developing countries.Climate change already contributes to migration in different parts of the world.

The future impact of climate change depends on the extent to which nations implement prevention efforts, reduce greenhouse gas emissions, and adapt to unavoidable climate change effects.Much of the policy debate concerning climate change mitigation has been framed by projections for the twenty-first century. The focus on a limited time window obscures some of the problems associated with climate change. Policy decisions made in the next few decades will have profound impacts on the global climate, ecosystems and human societies, not just for this century, but for the next millennia, as near-term climate change policies significantly affect long-term climate change impacts.

Stringent mitigation policies might be able to limit global warming (in 2100) to around 2 °C or below, relative to pre-industrial levels.Without mitigation, increased energy demand and the extensive use of fossil fuels may lead to global warming of around 4 °C.With higher magnitudes of global warming, societies and ecosystems will likely encounter limits to how much they can adapt.

Explanation:

please give this answer as brainliest answer

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Infrared light from the Sun is detected on Earth as _____.
umka21 [38]

Answer: heat

Explanation:

Infrared radiation is popularly known as "heat radiation",[21] but light and electromagnetic waves of any frequency will heat surfaces that absorb them. Infrared light from the Sun accounts for 49%[22] of the heating of Earth, with the rest being caused by visible light that is absorbed then re-radiated at longer wavelengths

4 0
4 years ago
You need to prepare 0.2 liters of a 0.1 M solution of a phosphate buffer with a pH of 7.2. If you have solid K2HPO4 (FW=136.09)
Lera25 [3.4K]

Answer:

To prepare 0,2 L of a 0,1M solution of a phosphate buffer to a pH of 7,2 you need to add 1,05 mL of 6M HCl, 2,722 g of K₂HPO₄ and complete 0,2 L with water.

Explanation:

The acid equilibrium of phosphate buffer for a pH of 7,2 is:

H₂PO₄⁻ ⇄ HPO₄²⁻+ H⁺ pka = 6,86

Using Henderson-Hasselbalch formula:

pH = pka + log₁₀ \frac{[HPO_{4}^{2-}]}{[H_{2}PO_{4}^-]}

7,2 = 6,86 + log₁₀ \frac{[HPO_{4}^{2-}]}{[H_{2}PO_{4}^-]}

2,18776 =  \frac{[HPO_{4}^{2-}]}{[H_{2}PO_{4}^-]}<em> (1)</em>

You need to add 0,2L× 0,1M = 0,02 moles of phosphate buffer, that means:

0,02 moles = H₂PO₄⁻ + HPO₄²⁻ <em>(2)</em>

Replacing (2) in (1):

H₂PO₄⁻: <em>6,2739x10⁻³ moles</em>

Thus,

HPO₄²⁻: 0,013726 moles

K₂HPO₄ reacts with HCl thus:

K₂HPO₄ + HCl → KH₂PO₄ + KCl

Thus, you need to add 0,02 moles of K₂HPO₄ that will react with 6,2739x10⁻³ moles of HCl To produce the necessary moles for the buffer:

0,02 moles of K₂HPO₄× \frac{136,09 g}{1 mole} = <em>2,722 g</em>

6,2739x10⁻³ moles of HCl÷ 6 M = 1,05x10⁻³ L ≡<em> 1,05 mL of 6M HCl</em>

Thus, to prepare 0,2 L of a 0,1M solution of a phosphate buffer to a pH of 7,2 you need to add 1,05 mL of 6M HCl, 2,722 g of K₂HPO₄ and complete 0,2 L with water.

6 0
4 years ago
Current is created by the movement of what subatomic particle?
Licemer1 [7]

Answer:

I believe the answer is electrons.

Explanation:

Protons can't move and neurons don't have a charge so it would be electrons.

3 0
2 years ago
A 1.93-mol sample of xenon gas is maintained in a 0.805-L container at 306 K. Calculate the pressure of the gas using both the i
Alex

Answer : The pressure of the gas using both the ideal gas law and the van der Waals equation is, 60.2 atm and 44.6 atm respectively.

Explanation :

First we have to calculate the pressure of gas by using ideal gas equation.

PV=nRT

where,

P = Pressure of Xe gas = ?

V = Volume of Xe gas = 0.805 L

n = number of moles Xe = 1.93 mole

R = Gas constant = 0.0821L.atm/mol.K

T = Temperature of Xe gas = 306 K

Now put all the given values in above equation, we get:

P\times 0.805L=1.93mole\times (0.0821L.atm/mol.K)\times 306K

P=60.2atm

Now we have to calculate the pressure of gas by using van der Waals equation.

(P+\frac{an^2}{V^2})(V-nb)=nRT

P = Pressure of Xe gas = ?

V = Volume of Xe gas = 0.805 L

n = number of moles Xe = 1.93 mole

R = Gas constant = 0.0821L.atm/mol.K

T = Temperature of Xe gas = 306 K

a = pressure constant = 4.19L^2atm/mol^2

b = volume constant = 5.11\times 10^{-2}L/mol

Now put all the given values in above equation, we get:

(P+\frac{(4.19L^2atm/mol^2)\times (1.93mole)^2}{(0.805L)^2})[0.805L-(1.93mole)\times (5.11\times 10^{-2}L/mol)]=1.93mole\times (0.0821L.atm/mol.K)\times 306K

P=44.6atm

Therefore, the pressure of the gas using both the ideal gas law and the van der Waals equation is, 60.2 atm and 44.6 atm respectively.

5 0
3 years ago
Vitamin B information please​
Montano1993 [528]

B vitamins play a vital role in maintaining good health and well-being. As the building blocks of a healthy body, B vitamins have a direct impact on your energy levels, brain function, and cell metabolism.

Hope this helps; have a great day!

8 0
3 years ago
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