explain the relevance of sewage, nutrients, waste water, chemical and radioactive waste, and oil pollution. Why are they important factors in water pollution? What damage can they do?

What caused the first atom to form after the big bang? A) a break down of atom nuclei in a thin, expanding gas B) collisions of free electrons and atomic nuclei in a plasma C) fusion within scattered pockets of charge, subatomic particles

Which of the following geological processes adds new rock to the surface of the earth? A) Volcanic activity B) Glacial activity C) Soil erosion D) Weathering

What the roles of mining sector in Ethiopian economy

A local scale map is best used for studies of.?

What two tectonic plates were involved in the christmas day tsunami?

Why can rapid population growth rate be a problem for a nation?

Why did music suck in the 2010's?

The printing press did not affect the spread of the Renaissance. True False

The most common economic system in the world is a closed economy command economy mixed market economy traditional economy.

Is the new crust being formed denser than the older crust?