Chemistry, 20.07.2019 03:30 rajeeblagrove
Chemistry i'll give 30 ! use table 1 below to answer the following question: scientists find a piece of wood that is thought to be from an ancient fire circle. they find that the wood contains an amount of carbon-14 (14c) that is approximately 1/16 of the current atmospheric c14 levels. determine approximately how many years ago the tree was chopped down to be used for the firewood. (only use numbers in your answer)
Answers: 1
Chemistry, 22.06.2019 10:30
Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.
Answers: 1
Chemistry, 22.06.2019 13:50
Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.
Answers: 3
Chemistry, 22.06.2019 16:00
Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules
Answers: 1
Chemistry, 22.06.2019 22:30
What is a number added in front of a formula in order to balance the equation
Answers: 1
Chemistry i'll give 30 ! use table 1 below to answer the following question: scientists find a pi...
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