Which is a viable way to combat the effects of drought on the population of Sub-Saharan Africa? A)
seeding the clouds
B)
increasing irrigation
C. increasing livestock
D)
planting many trees
H

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.