Answer:
It produces harmful gases which will pollute the air we breathe.
Answer:
The Africa<em> </em><em>is</em><em> </em><em>the</em><em> </em><em>answer</em><em> </em><em>(</em><em>b</em><em>)</em>
I think the anwser is deposition
You could identify a sedimentary rock as a conglomerate because it consists of rounded fragments from pre-existing rocks that are larger than 4 mm. They often are found setting in finer-grained sedimentary matrix rocks. An example of conglomerate rocks are Breccia conglomerates which are rocks that have an angular and rounded clast.
The most resent one i would say floods!! because they have nearly dubbled since 1900!!