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

Which of these best describe conduction? a. transfer of heat between two objects that are touching b. transfer of heat by the actual movements of warmed matter c. the process in which energy is emitted by one object, transmitted through space, and absorbed by another d. the process in which energy is released by molecules

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

Environmental science are unconsidered with methods to preserve natural resourcesa. trueb. false