What is the volume of the can? area of top=40cm2 height = 12cm

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

Satellites orbit earth in the a) mesosphere b) troposphere c) stratosphere d) thermosphere

Acharacteristic controlled one or more genes is called a