Answer:
Ocean waters are salty and contain minerals and dissolved gases. They also have a high heat capacity and vary in density depending on temperature and salinity.
Explanation:
You didn't give your choices but sin 21 equals 0.358.
Answer:
the defination of a migration is a movement to another place,often of a large group of people or animals
hy !buddy.there is no example of migration.it gives examples like a persons migrates from one place to another place
Seven continents are in this world
The justification hypothesis that the early Earth environment was void of oxygen is:
- atmosphere lacked oxygen but abundant in methane, ammonia, water vapour, noble gas, neon etc.
<h3>What did scientist proved about oxygen-less earth?</h3>
Studies revealed that the Earth's atmosphere was devoid of oxygen before more than 2.4 billion years ago.
However, some scientist proved that oxygen get brewing in the atmosphere from the oceans where a cyanobacterial photosynthesis occurred for about as 3 billion years ago.
Read more about Earth environment
<em>brainly.com/question/617302</em>
