Answer:
A. 18
Explanation:
Sulfur number sixteen forms a negative
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There used to be substantial water on Mars.
Answer: C. The orbital speeds of planets closer to the Sun will be faster than planets farther away.
Explanation:
Centripetal force = gravitational force
Fg inversely proportional to distances (r)
because the value of the gravitational force is getting smaller as the distance is getting further from the sun, the orbital speed of the planet will be getting smaller
Answer:
ELEMENTS
Explanation:
CUZ AN A
ELEMENT IS A GROUP OF ATOMS THAT CANNOT BE BROKEN DOWN BY ANY CHEMICAL OR PHYSICAL MEAN