frequent examination and testing make scientific explanations more
.biased
.invalid
.permanent
.valid
That is false, all Muslims that can financially make the pilgrimage to the holy site of Mecca are required. The holy pilgrimage to Mecca, also called Hajj, is one of the 5 pillars of Islam.
So, C.
<u>Stromatolites are layered mounds of calcium carbonate that were deposited by algae during the Precambrian time.</u>
Answer: Option C
<u>Explanation:</u>
Stromatolites are the deposit of the layer which is mostly of limestone and these are mainly formed by the blue green algae which are only one celled organism of primitive times.
The features of these are that they are normally thin and have layers that might be either light or dark in color and are either flat or some of them even have a shape of a dome.
Answer:
Many countries of the Middle East depend on oil as their primary source of income. In the short term, the economies of these countries are doing well, making a good profit from selling oil to other countries. However, in the long term, oil-dependent economies may suffer.Explanation: