Answer:
D. The scientist uses tennis balls to show the position of the planets and Sun.
Explanation:
In a layman's terms, the solar system is a system consisting of the sun and the planets that orbits around it. These planets are as follows; Mercury, Mars, Earth, Saturn, Venus, Jupiter, Neptune, Uranus etc.
According to this question, using a physical model to represent or describe the solar system means the use of physical objects that can easily be seen or identified. Based on this explanation, the use of tennis balls to show the position of the planets and Sun suits the physical model description of our solar system.
The answer is C , predators often kill their prey while parasites don't kill the host .
If the Zebras happened to be removed from the ecosystem they are in well the predators of the zebras will die because of no food supply. The only ones living will be what the zebras eat and all below.
A nurse suspects that the IV line through which Doxorubicin (adriamycin) is infusing has infiltrated. The nurse has discontinued the IV site.
The nurse should IMMEDIATELY APPLY ICE PACK TO THAT AREA. Ice pack helps to reduce the absorption of the drug doxorubicin and thus minimize the its effect.
