All members of the kingdom protista are a. prokaryotic. b. photosynthetic. c. autotrophic. d. eukaryotic.

How does science influence the decisions made about social, economic, and political issues?

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land

Fredrick griffith made a scientific discovery in 1928