If you drop a piece of quartz it will break apart in an irregular manner what property does quartz show in this situation

a. luster

b. cleavage

c. streak

d. fracture

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement

Which step is not included in the step approach to calculating the greatest common divisor?

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