Gravitational forces are forces of attraction. It's like the Earth pulling on you and keeping you on the ground.
Answer:
no
Explanation:
Platinum is a noble metal. The concentrations of platinum in the soil, water and air are very minimal. ... Finally, a danger of platinum is that it can cause potentiation of the toxicity of other dangerous chemicals in the human body, such as selenium.
Answer:
B.The box experiences less friction on the marble floor
Explanation:
Well when you eat you get energy and then you use it to ride up the hill sorry I don't know how it is classified
