How many light years across is the milky way?

Which of the following nations are located along the Pacific Ring of Fire?

What are the 3 theories for emergence of homo sapiens?

Nyamukuta inyanzvi pakudini

According to the United Nations Refugee Agency, more than 2/3 of the world's refugees come from just five countries. Which country is NOT on that list? A) Turkey B) Myanmar C) Afghanistan D) South Sudan

According to teachings of Confucius, society works best if?

Most rivers have relatively gentle gradients in the headwaters and steep gradients in their downstream portions. True / False.

In which world region do hurricanes form? A. along the Equator B. near the poles C. only in the Atlantic Ocean D. only in the Pacific Ocean

What is the diameter of the geosphere

A major concern about increasing global temperatures is that a large portion of polar ice could detach and melt into the ocean.

Match the vocabulary word with its description. 1. produced from the sun biomass energy 2. produced by burning organic materials geothermal energy 3. produced from the heat inside the earth hydroelectric power 4.