Ahygrometer is used to measure and its measurements will differ between climate zones. a. the percentage of water vapor, or humidity, that is in the local atmosphere b. the pressure of the atmosphere c. the temperature of the local area d. none of the above

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

9. the history of life on earth is recorded in

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes