The chart shows rate of decay. Which value is being measured in the columns labeled "Fraction remaining” and "Percentage remaining”? years of decay quantity of energy number of stable atoms amount of material that has not decayed

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Using the periodic table, determine which material is most likely a good conductor

This is the main structural axis of the plant that supports leaves, flowers and fruits; transports fluids; stores nutrients and produces new tissue.