The prefix 'macro' means...

A. large
B. many
C. small

2. if scientists identify an animal with bilateral symmetry and no segmentation, which phylum can it definitely not belong to? a. roundworms b. annelids c. mollusks d. flatworms

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box