Answer:
The correct definitions are a, c and d
Explanation:
The definitions of system, heat energy and chemical energy are correct but the definition of surrounding is not correct.
Hey There,
The answer to your question is option B) Between 200 and 500 million years old.
These rocks are younger than the Earth and also younger than rocks found on continents. (Those rocks are 4-5 billion years old.)
Best Of Luck,
- Kai -
<span>b. distribution of sunlight is the answer</span>
Burning fossil fuels moves carbon from the geosphere to the atmosphere.
Explanation:
A carbon cycle is a model that indicates how carbon is cycled across the spheres of the earth. Burning of fossil fuels is part of this cycle indicating movement of carbon from the geosphere – since fossil fuels are derived from the geosphere (the rocks of the crust) - to the atmosphere as carbon dioxide. Again this carbon will cross over to the biosphere when taken up by plants from the atmosphere during photosynthesis
Answer:
Explanation:
They are mostly soluble earth materials.
Dissolved loads are products of chemicals weathering.
Examples are dissolved soil minerals, dissolved rock minerals etc.
The products of chemical weathering of rocks dominate the dissolved loads in a stream. Most of these materials are in solution and can travel very far away unless they become precipitated.