The basaltic rock that forms volcanic mountains where the mantle plumes reach the Earth's surface is usually composed of fine-grained, dark-colored felsic materials. Basalt is a hard, black rock which is formed when magma or lava from volcanic eruptions cools down and hardens. It consists of fine mineral grains. It can also consist of holes that were filled by volcanic gases. Basalt is black because the minerals that it is made up of contains iron. Iron gives basalt its black colour.
The zero of a function is the number you can substitute as x in order for the y to be 0.
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Christianity spread to as many, and actually more, countries than Islam, think for example of Latin America, which is predominantly Catholic!
Also, it it the world's biggest religion, and it has about 0.5 billion more followers than Islam. Therefore the false option is the last one: D.
If it causes danger to an individual, if you're going to sacrifice someone, or if it causes a conflict with other established laws.