D. A solution because it dissolves when mixed with water
Answer:Luster aka (A)
Explanation:Because luster is something you learned in science.
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ANSWER: A ramp meter, usually is a basic traffic light or a two-section signal light, together with a signal controller, that regulates the flow of traffic that enters freeways according to the most traffic conditions.
Answer: If the gravitacional acceleration is 1/6 of Earth's gravitational acceleration, it means that moon's gravitational acceleration is less than Earth's. Also, if the gravitational acceleration is less than Earth's, the astronaut's weight decreases since we calculate it multiplying his body mass by the gravity in the place given.
On Earth, an astronaut that is 70kg weights 70kg * 9.8 m/s² = 686N
On the Moon, the same astronaut would weight 70kg * 9.8 m/s² * 1/6 = 114,3 N
So, the astronaut’s weight decreases because the moon’s gravitational acceleration is less than Earth’s.
