The correct answer is A. silica.
The amount of silica found in the magma determines the viscosity. The higher the silica in magma, the higher the viscosity of a magma. So the correct answer is silica. It is not among the other choices.
Living organisms cannot exist without the nonliving aspects of the environment. For example: air, water, and sunlight, which are all nonliving, are all essential to living organisms. Both nonliving and living things make up an ecosystem. As water being something the living thigs need the water so when it flows through an ecosystem and the living things that water it helps them get it. see what im saying? Also the fish that are in it can help the consmers to eat. Get it?
Answer: Physical geographers study Earth's seasons, climate, atmosphere, soil, streams, landforms, and oceans. Some disciplines within physical geography include geomorphology, glaciology, pedology, hydrology, climatology, biogeography, and oceanography.
Explanation:
They are all monotheistic. Christians and Jews believe in God and Muslims believe in Allah. They do not worship any other gods and have different significant people in each faith