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Correct Answer: Mesosphere

Explanation:

The mesosphere lies above the stratosphere and extends to an altitude of about 85 km. This is layer is often referred to as the cold layer, as the lowest readings in the atmosphere are found here.

 

Temperature decreases with height, reaching a minimum average value of -90 ºC at the top of the layer.

Correct Answer: Hinduism

Explanation:

Monotheism is the belief in a single all-powerful god, as opposed to religions that believe in multiple gods.

Sikhism, Judaism, Christianity, and Islam are widely practiced forms of monotheism.

Correct Answer: Respirometer

Explanation:

A respirometer is a device used to measure the rate of respiration of a living organism by measuring its rate of exchange of oxygen and/or carbon dioxide.

Correct Answer: Acid rain

Explanation:

Secondary pollutants include ozone, which is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight.

 

Whereas Primary pollutant are those pollutants that are directly emitted from their sources, like CO2, CO, SO2 as these gases are directly emitted form burning of fossil fuels.

 

Acid rain, which is formed when sulfur dioxide or nitrogen oxides react with water, sulfuric acid etc.

 

Hence, Acidrain is a secondary air pollutant.

 

Correct Answer: 3.5%

Explanation:

Seawater or salt water is water from a sea or ocean.

On average, seawater in the world's oceans has a salinity of approximately 3.5% or 35 parts per thousand. This means that for every 1 litre (1000 mL) of seawater there are 35 grams of salts dissolved in it.

 

Hence, The average salinity of seawater is 3.5%.

Correct Answer: Jeff Bezos

Correct Answer: Mukesh Ambani

Explanation:

Indian business magnate Mukesh Ambani topples Jack Ma as Asia?s richest person as he positions Reliance Industries to disrupt the e-commerce space in India.

 

The chairman of India?s refining-to-telecoms conglomerate, Ambani was estimated to be worth US$44.3 billion in July 2018 with the share price of Reliance Industries rising 1.6 per cent to a record 1,099.8 rupees (US$16.05), according to Bloomberg Billionaires Index.

 

Jack Ma?s wealth stood at US$44 billion at the close of trading on the sameday in the US, where the company is listed.

Correct Answer: All of the above

Explanation:

The major greenhouse gases (GHG?s) solely responsible for greenhouse effect are Carbon dioxide, Ozone, Methane and Water vapor. Although these gases comprise 1% of our atmosphere, they act like a thick warm blanket outside that surrounds this planet and regulate climate control. Greenhouse effect is not bad. In fact, it is needed for all of us to survive on planet Earth. In short, the greenhouse effect is nothing but a naturally occurring process designed by nature that aids in heating earth?s surface and helps to maintain ecological balance.

Now, while some of that heat dissipates into space, some of it burns along the atmosphere, and some of it penetrates the atmosphere and finds its way into the lower atmosphere and the planet?s surface. This in turn raises the average temperature of the Earth. Therefore, the increase in the Earth?s surface temperature due to increase in the number of greenhouse gases leads to global warming.

 

Causes of Green House Effects ::

 

* Burning of Fossil Fuels

* Deforestation 

* Increase in Population

* Farming

* Industrial Waste and Landfills.

Correct Answer: ELA - English Language Arts

Correct Answer: Telangana

Explanation:

The southern state Telangana decided to make way for electric cars to promote non-polluting vehicles.