Answer:
Magnetite is black or brownish-black with a metallic luster, has a Mohs hardness of 5–6 and leaves a black streak.
Answer:
Plaster cast is made up from dry muslin containing starch or dextrose and calcium sulfate.
Explanation:
It is applied to protect and is immobilize an injured bone or joint because it provides rigidity.
It is also used to help the bone and joint from reduce pain that is created during movement.
When plaster becomes wet,it reacts (Between water and calcium sulfate) and produces heat that eventually sets the plaster.It becomes hard when it dries.
The color of plaster casts are smooth and white.
Answer:
Water molecules are polar molecules..
Explanation:
Answer: <span>B) Plant trees along canals and roadways on their property to filter runoff and prevent soil erosion
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The roots of trees help prevent the soil from being easily eroded by holding the soil in place and taking up the water. The other choices, A, C, and D would cause further erosion by removing objects that would stop the rain or by aiding erosion due to gravity.
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One of the difference is that the ice cube is solid and gas is not.
