In which domain(s) are single-celled organisms found?
a.
bacteria and eukarya
b.
archaea and eukarya
c.
only archaea
d.
bacteria, archaea, and eukarya

Which technically is nasa developing that will astronauts reach mars

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.

1. fold your hands together so your thumbs cross over ,and look at your thumbs. which thumb feels most "comfortable" on top is actually controlled by a gene. the left thumb folding over the right thumb is a domi