List three primary types of human activities that have affected regional and global environments. for each give one benefit and one environmental cost

Using the periodic table, determine which material is most likely a good conductor

Flock x flock y flock z total pieces of food eaten (from previous page) 147 93 60 food percentage* % % % simulated number of birds in flock for 3rd generation** * divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** multiply the food percentage for each flock by the total number of birds (30).

About __ of the mass of the cell is water