The correct answer is option Observations can be made from outside the "system".
The study of the plate tectonics allows the observation of the movement of the plate tectonics. These observation can be study to determine the pattern of the movement from outside the plate tectonics system and the event occurring due to plate tectonics can be predicted.
The theory of evolution will be best supported by the evidence showing a species changes over time. Thus, option A.
Basic evidences for proving the theory of evolution are anatomy, Biological morphology, Fossils and direct observations. There have been various theories for the proof of evolution like structural similarities in an embryo formation pointed towards common ancestors. Theory of Natural selection embarked by Charles Darwin to show genetic variations picked by organisms in whole population.
The most authentic theory over evidence for evolution is Paleontological theory which includes study, observation and acquired prove of fossils of various organisms in the forms of Petrified, mold and cast, trace fossils, compression fossils, impression fossils, etc.
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Answer:
Rate of change of volume of the pile 
Explanation:
Given -
Rate of increase of the base of the pile 
inches per minute
Height of the pile 
the radius of the base
Let "h" be the height of the pile and "r" be the radius of the base.
Then 
Radius "r" 
inches
Rate of change of radius i.e
Volume of conical pile
Change in volume of conical pile
Substituting the value of rate of change of radius, we get -
Rate of change of volume of the pile
Emigrated means they exited so due to the high amounts of pollution all the animals left which cause a population decrease
A.The way plant pollen is carried by wind to another plant.
