<span>In terms of matter and resources, the Earth is essentially a closed system, because matter and resources are fixed.
</span>In terms of energy, the Earth is an open system, because there is a balanced transfer of energy. (The energy<span> radiates into the </span>Earth's system<span>, from the Sun and</span><span> then it is radiated back into space from the </span>Earth. The<span> flows of energy are regulated by the </span>Earth's<span> atmosphere and ozone layer.)</span>
1. Fossils of the ancient reptile mesosaurus were discovered in South America and Western Africa
2. Climate is the same in South America and Western Africa
3. Geology is the same, particularly having the same types of rocks in South America and Western Africa
Answer:
protagonist?
Explanation:
althought both are the main in some way
Answer:
Water is an essential constituent of healthy, productive soils. It serves to bind and secure the physical particulates in soil structure and is the medium by which natural chemicals and essential trace element nutrients are transported to plants.
Answer:
Penumbra: Outer, partial shadow: Sun's disc is only partly blocked, with a bit. They only occur during Full Moon when the Earth is between the Moon and the Sun. Umbra during a total lunar eclipse, these eclipses can be seen from the entire edge of the umbra, you will see an increasing fraction of the Sun peeking out
Explanation:
