Changes in the environment result in

a. geologic eras

b. plate tectonic changes

c. organic evolution of species

d. all of the above

Historians sometimes rely on video recordings in researching past events because

What is the effect of king mentioning his nobel prizes ?

Match your vocabulary word to its definition. 1. hectare reduced ability of the soil to support life 2. land degradation of spain and portugal 3. mangrove the pressing of soil particles closer together reducing the amount of air between particles 4. salinization 2.5 acres 5. junta group that controls the government 6. iberian small tropical tree 7. compaction higher than normal salt content in the soil