Answer:
Most of Earth's freshwater is locked in ice
Over 96% of Earth's water is saline (salty) and found in the ocean. Only a little over 3% of Earth's water is fresh. Most of that freshwater (68.7%) is frozen in glaciers and ice caps.
Explanation:
Answer:
A. Global Positioning System (GPS)
Explanation:
The Global Positioning System (GPS) is the most accurate way to find your exact location, virtually anywhere on the planet, thanks for a large network of satellites orbiting the planet and providing location information. That system is also complemented by the cellular towers if you're using a cell phone.
Aerial photography is great, but it will not tell you where you are.
Remote sensing is to gather information from a distance, not relevant to the question here.
The Geographic Information Systems are information systems to give information about the land matched with precise GPS information, used in mining for example, but it's not able to tell you where you are, it's to tell where a gold deposit is however.
Answer:
Yes, for example humans can make a triangle if they stack up on eachother and have good stability.
Explanation:
During the early earth, when photosynthesis has not yet evolved, there were only negligible amounts of free oxygen in the atmosphere. It was said that the Earth's atmosphere had no free oxygen then. This is about 3.5 billion years ago.
