Michiko walked a distance of 1.60km in 30min. Find her average speed in m/s

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?