The half-life of radium-226 is 1,600 years. It decays into radon-222. What fraction of the original amount of radium-266 in a sample will still be raisin after 8,000 years? (Marking brainliest if correct, lots of points!!) A. 1/8
B. 1/32
C. 1/4
D. 1/16

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

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Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel