Answer:
common meaning of tree is :
supply of oxygen
When scientists use the law of superposition to determine the age of a fossil, they go by the principle of 'every undisturbed layer of rock is older than the layer above it. This is not the most precise way of determining age, and in fact this method can only reveal the approximate age, but not the exact one.
The correct answer is - the change of the total volume of water in the Earth's system.
The total volume of the water in the Earth's system is pretty much the same, and for it to change, and change the levels of the water in the oceans and seas, the Earth will have to go over a totally new conditions where either a new influx of water will reach our planet, or the heat will increase and the water will evaporate, for now that is not a possibility.
<span>Good Morning!
</span><span>learning its size and how it formed
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The difference between craters and calderas is in the formation mode of each of them. Craters generally are more circular and smaller, and result from the projection of gas and magma, while calderas arise from falling stones and rocks.</span>