The answer is 3%
Explanation:
3% of the earth's water is fresh. 2.5% of the earth's fresh water is unavailable: locked up in glaciers, polar ice caps, atmosphere, and soil; highly polluted; or lies too far under the earth's surface to be extracted at an affordable cost. 0.5% of the earth's water is available fresh water.
The O stars is the most luminous, then B, then A, F, G, K, and M stars are the least luminous_____ there must be a relationship between mass and luminosity.
Answer: Spain
Explanation: Christopher Columbus was sent to India by King Ferdinand & Queen Isabella. Instead of taking the normal route Christopher tried to go across the world. And ended up in North America & later reaching South America. When King heard there was gold he sent many men to take over the new land conquering Central America, portions of the Caribbean & larger portions of South America