Which of the following rocks is organically formed?
...Which of the following rocks is organically formed?
Gypsum
Coal
Grit
shale
Correct answer is B
Organic sedimentary rocks such as coal form from the accumulation and lithification of orgave debris.
Lines joining places with same mean annual rainfall are called___________ ...
The development of a climax vegetation in the savannah belt of Nigeria is disturbed mainly by? ...
Why is the fallow period decreasing in the agricultural areas of West Africa? ...
Plants in the savannah are adapted mainly to alternating periods of high and low? ...
Which of the following group of countries constitutes the Chad Basin Commission? ...
The highest elevation in the mapped area is approximately ...
The main objective of the 'Green Revolution' programme in Nigeria is to encourage? ...
An example of a set of chemically formed sedimentary rocks is? ...