environmentquiz16

1. Spreading finely ground basalt rock on farmlands extensively 
2. Increasing the alkalinity of oceans by adding lime 
3. Capturing carbon dioxide released by various industries and pumping it into abandoned subterranean mines in the form of carbonated waters. 

How many of the above activities are often considered and discussed for carbon capture and sequestration?

1. Copper slag 
2. Cold mix asphalt technology 
3. Geotextiles 
4. Hot mix asphalt technology 
5. Portland cement

1. Global warming might trigger the release of methane gas from these deposits.
2. Large deposits of 'methane hydrate' are found in Arctic Tundra and under the seafloor.
3. Methane in the atmosphere oxidizes to carbon dioxide after a decade or two.

1. Carbon monoxide 
2. Methane 
3. Ozone 
4. Sulphur dioxide. 

Which of the above are released into the atmosphere due to the burning of crop/biomass residue?

1. Agricultural soils release nitrogen oxides into the environment. 
2. Cattle release ammonia into the environment. 
3. Poultry industry releases reactive nitrogen compounds into the environment.

Which of these are correct?

1. The main advantage of the use of H-CNG is the elimination of carbon monoxide emissions.
2. H-CNG as fuel reduces carbon dioxide and hydrocarbon emissions.
3. Hydrogen up to one-fifth by volume can be blended with CNG as fuel for buses.
4. H-CNG makes the fuel less expensive than CNG.

Which of these are correct?