KOGNITY - 2.3 - True or False

The lithosphere is a major carbon store consisting of fossil fuels and limestone.

• True

• False

Methane emissions from wetlands are produced by methanogenic bacteria in anaerobic conditions.

• True

• False

Nitrogen gas (N₂) comprises 78% of the atmosphere but is directly usable by plants.

• True

• False

Fossil fuels form over millions of years from the anaerobic decomposition of organic material.

• True

• False

The Industrial Revolution led to a significant increase in atmospheric carbon dioxide levels.

• True

• False

Methane has a longer atmospheric residence time than carbon dioxide.

• True

• False

Calcium carbonate in corals and mollusks forms limestone over millions of years.

• True

• False

Ocean acidification is caused by the absorption of carbon dioxide into seawater, forming carbonic acid.

• True

• False

Nitrogen fixation by bacteria converts atmospheric nitrogen gas into ammonia.

• True

• False

Ammonification converts organic nitrogen into ammonia or ammonium.

• True

• False