Answer:
because they have to be seperated
Explanation:
Maybe it's the concentration of water in your blood would increase (c)
D. strings because if you have a ¨concert band¨ with strings in it then it is called an orchestra.
The best kind of model for the scientist to use is an interactive model of the planets' orbits on a computer.
<h3>What is the law of orbits?</h3>
Kepler's first law, also known as the law of orbits, describes the shape of planetary orbits. According to this law, the planet's orbits around the Sun are elliptical, despite having very small eccentricities.
For this reason, it is necessary to know all the orbits of the planets in an interactive way, since according to Kepler's law, the orbits decrease over time.
See more about orbits at brainly.com/question/18914648
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Answer:
d) do all jobs for survival
Explanation:
A single cell perform all its activity on its own.