Which of the following is true of prokaryotic cells? a. they may be found in unicellular or multicellular organisms. b. they tend to be large and complex in comparison to eukaryotic cells. c. they function as individual organisms. d. they contain nuclei and other membrane-bound organelles

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.