Answer:
By a mix of human and physical geographic evidence.
Explanation:
Civilizations can end due to natural causes. Volcanic eruptions can be devastating for people living close to it. Checking rock age and strata with any historical references could explain. Data from ice core could indicate changes in the atmosphere. A change, such as increased drought, in regions, might end up causing food shortages and the end of civilizations.
Human evidence can provide the answers too. Migration patterns may explain this, such as the Europeans arrived in the Americas. The land has a carrying capacity. Studying the population might indicate the carrying capacity was exceeded, such as Easter Island.
Answer:
<u>In glaciers, North and South poles and some lakes.</u>
Explanation:
- As more than 70% of freshwater can be found in continental glaciers around the world. The rest is in icecaps and 0.5 % store in lakes and rivers, and swamps.
- Rest if possible may be found in the groundwater aquifers, hidden in remote and cut off lace of the world.
- Antarctica and arctic alone consist of a huge share of freshwater in the world which is stored in ice forms. While 97% of oceanic water is saline not fit for drinking.
- Various techniques are available for desalination of water but most of it not suitable for long term use. As it may have bacteria and harmful effects on the body. Due to climate change release of methane gas and other harmful greenhouse gases are quickly melting and depleting the freshwater r
Answer:
Mesopotamia = Tigris River
Mediterranean = Nile River
India = Indus River
Western Pacific Ocean = Yellow River
The moon's gravity is 1/6th of the Earths, so a man should be able to lift 6 times the mass.
60 kg x 6 = 360 kg on the moon.
<span>These are known as tephra, pyroclats or more generally as volcanic bombs.</span>
