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sergejj [24]
2 years ago
8

What can you do to help reduce the amount of air pollution?

Biology
2 answers:
Schach [20]2 years ago
7 0

Answer: Carpool, Recycle and Reuse, and don't use plastic bags

Explanation:

seraphim [82]2 years ago
5 0

Answer:

Reduce the number of trips you take in your car.Reduce or eliminate fireplace and wood stove use.Avoid burning leaves, trash, and other materials.Avoid using gas-powered lawn and garden equipment.

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The pH indicator bromothymol blue is blue in an alkaline solution and yellow
N76 [4]

Answer:

I think the full question is this:

The pH indicator bromothymol blue is blue in an alkaline solution and yellow in an acidic solution. A slight increase in acidity, such as when CO2 gas is added, causes a solution with the indicator to change from blue to yellow. A solution with the indicator would be most likely to turn from yellow to blue when which combination of factors exists? A. Yeast cells and sugar are placed in the solution. B. Water plants in the solution are placed under a bright lamp. C. Algae are placed in the solution and left in a dark room. D. A person blows air into the solution through a straw.

Answer is option B

B. Water plants in the solution are placed under a bright lamp.

Explanation:

When CO2 gas was added, it causes a solution with the indicator to change from blue to yellow. A combination of factors that can cause this solution to change from the yellow to its initial blue colour is utilizing a photosynthetic organism which in the presence of light can utilize and remove these carbondioxide and revert the yellow colour of the solution to blue

Thus, water plants in the solution are placed under a bright lamp

Algae are placed in the solution and left in a room filled with light

5 0
3 years ago
Is this statement true or false? Road maps show elevation on Earth’s surface.   A. True   B. False
PolarNik [594]
The answer is false. <em>Topographical</em> maps show elevation on the Earth's surface.
5 0
3 years ago
What type of molecules are the potassium and sodium in the axon?
andreyandreev [35.5K]

Answer:

b, ions

Explanation:

Poteassium and sodium in their ion molecular form in the axon of a neuron as they are are used in proton pumps to aid in the movement of neurons.

6 0
2 years ago
What does alkalinity mean?
sleet_krkn [62]
Alkalinity<span> is the name given to the quantitative capacity of an aqueous solution to neutralize an acid</span>
8 0
3 years ago
Modern europeans may have acquired genes that helped them adapt to the cold and absorb more vitamin d through interbreeding with
notsponge [240]
Around 100,000 years ago there was a second hominine species closely related to modern humans,  Homo <span><span>neanderthalensis,</span><span> or commonly called the Neanderthal</span>.</span> Recent studies of neanderthal DNA have shown that there is 3-4% of their genes in modern humans outside of Africa, mostly from Europe, including the ones for adapting to the cold and vitamin D absorption. 
3 0
3 years ago
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