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Carbon-14 dating primarily involves carbon-14 (¹⁴C) and carbon dioxide (CO₂). Living organisms absorb carbon from the atmosphere, including a small proportion of carbon-14. When they die, they stop taking in carbon, and the carbon-14 they contain begins to decay at a known rate, allowing scientists to estimate the time since death based on the remaining amount of carbon-14.
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What is made when several different substances are mixed toghether?
A mixture is made when several different substances are mixed together. Mixtures are combinations of two or more substances where the substances involved retain their chemical properties and can be separated through physical means.
What is it called when the chemical joining or separation of two or more substances?
The process of joining or separating two or more substances through a chemical reaction is known as a chemical change. During a chemical change, the substances involved undergo a transformation that alters their chemical composition, resulting in the formation of new substances. This can involve either the combination of reactants to form products or the breakdown of compounds into simpler substances.
Why are two substances more poisonous than just the two substances by themseves?
Two is more stronger themselves
When two substances react what change occurs?
when two substances react a chemical change occurs
What are two substances of solid?
Two examples of solid substances are ice (solid water) and salt.
What are kinds of dating?
there are 4 kinds of dating: casual dating no feeling or emotion involved yet. special dating there a feeling involved and two person was promising to date. group dating dating with your friends or other person. blind dating there's a person or both of you arrange to know each other.
What two things must scientist measure to find the absolute age of a rock?
scientists use carbon14 and potassium argon to find absolute age of rock
What substances are involved in glycolysis and what is the end product of this metabolic pathway?
In glycolysis, glucose is broken down into two molecules of pyruvate. The substances involved in glycolysis include glucose, ATP, NAD, and ADP. The end product of glycolysis is two molecules of pyruvate, along with a net gain of two ATP molecules and two NADH molecules.
What is made when several different substances are mixed toghether?
A mixture is made when several different substances are mixed together. Mixtures are combinations of two or more substances where the substances involved retain their chemical properties and can be separated through physical means.
What two things must scientist measure to find the absolute ages of rocks?
scientists use carbon14 and potassium argon to find absolute age of rock
What is it called when the chemical joining or separation of two or more substances?
The process of joining or separating two or more substances through a chemical reaction is known as a chemical change. During a chemical change, the substances involved undergo a transformation that alters their chemical composition, resulting in the formation of new substances. This can involve either the combination of reactants to form products or the breakdown of compounds into simpler substances.
What is a combination of different substances?
A combination of different substances refers to a mixture where two or more substances are physically combined. This can include solutions, suspensions, colloids, or alloys, depending on the nature of the substances involved.
What two organs produce substances that are involved in the digestion of lipids?
The two organs that produce substances involved in the digestion of lipids are the pancreas and the liver. The pancreas secretes pancreatic lipase, an enzyme that breaks down fats into fatty acids and glycerol. The liver produces bile, which is stored in the gallbladder and released into the small intestine to emulsify fats, aiding in their digestion and absorption. Together, these substances facilitate the efficient breakdown and utilization of dietary lipids.
How do the coefficients in a balanced equation compare quantites of two substances?
The coefficients in a balanced equation represent the relative number of moles of each substance involved in a chemical reaction. By comparing the coefficients of the substances in the balanced equation, you can determine the mole ratios between them. This allows you to calculate the amounts of substances consumed or produced in the reaction.
What two structure produce substances involved in the digestion of fat?
The two structures that produce substances involved in the digestion of fat are the pancreas and the liver. The pancreas secretes digestive enzymes, including lipases, which break down fats into fatty acids and glycerol. The liver produces bile, stored in the gallbladder, which emulsifies fats, making them easier for lipases to act upon during digestion. Together, these substances facilitate the efficient breakdown and absorption of dietary fats in the small intestine.
What are two of determining a fossils age?
The two methods are "RELATIVE DATING" and "ABSOLUTE DATING". :)
What are two or more substances that are together but not combined?
two or more subsantes (a mixture of substances) !
