Purse Seine, which was seen in the news, is associated with which activity?

Which city is the host of the ‘G-20 Working Group on Environment and Climate Sustainability’ meeting?

Which one of the following rulers was contemporary of the poet Goswami Tulsidas?

Consider the following statements:

1. Methane is the second most abundant anthropogenic greenhouse gas (GHG) after carbon dioxide (CO2).
2. Methane does not contribute to the formation of ground-level ozone.
3. By adding seaweed to cow feed, methane formation in cow guts could be completely eliminated.  Which of the statements given above is/are not correct?