Answer:
The eccentricity of an ellipse is between 0 and 1 because the distance from the fixed point on the plane has a constant ratio which is less than the distance from the fixed line in the plane.
Explanation:
in other words ,The eccentricity of an ellipse is defined as the ratio of the distance between its two foci and the length of the major axis
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Answer:
In the second picture, the answer is A to attach to a host cell.
In the third, the fourth and the fifth the answer is D.
Explanation:
You would expect an earthworm to have no exoskeleton because as you see it is very flexible and soft. Organisms with such have body parts that are divided and an earthworm do not have any visible parts on them also having an exoskeleton would not allow an organism to move like an earthworm does.
Under normal conditions it is not toxic
Adding ammonium nitrate to water turns the mixture cold and is a good example of an endothermic chemical reaction
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