Instrument used to measure oxygen?

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: Noida

Explanation:

Fi circuit refers to Formula One, is the highest class of open-wheeled auto racing defined by FIA, motorsport's world governing body.

 

The Buddh International Circuit is an Indian motor racing circuit in Greater Noida, Uttar Pradesh was India's first F1 circuit.

Correct Answer: Chief Executive

Explanation:

Another name for the governor of the state is Chief Executive of the state.

And we also know that, The attorney general is the head of the US Department of Justice, The vice president is just under the president of the US and The secretary of state is the head of the US Department of State.

Correct Answer: 90%

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: 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: France

Explanation:

France national football team has won the FIFA 2018 - an international football tournament contested by the men's national teams of the member associations of FIFA once every four years. It took place in Russia from 14 June to 15 July 2018.

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.