Answer:
In my opinion I think that's it's number 4
From nitrogenous bacteria found on the surface of leguminous plants. They convert nitrogen into nitrates which is absorbed by plants
B. Topic is under plate tectonics and involves divergence,convergence and transform plate boundary:)
<span>a transaction in which a foreign exchange debt owed by a developing country is transferred to another organization on the condition that the country use local currency for a designated purpose, usually environmental protection.</span>
Plants and trees absorb the carbon and make oxygen with it.