The term biodiversity encompasses not only the number and variety of different species, but also genetic variations within a species and the varieties of ecosystems, habitats, and communities in an area
Indicate whether the statement is true or false
TRUE
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One sub-surface material which intensifies the process of earthquakes and mass movement is _______.
a - calcium carbonate b - boulders c - scree d - batholiths e - clay
The term ______ is used to describe the conversion of a solid directly to gas, without passing through the liquid state.
Fill in the blank(s) with the appropriate word(s).
What do critics charge are some effects of Structural Adjustment Programs for refinancing loans to LDCs?
A) more efficient civil service B) diverting investment from weapons and training for the military to social needs such as health and education C) investment benefiting the poor, not just the elite D) more dissemination of information to the public E) workers in state enterprises losing their jobs and support for dependent citizens being cut
Disturbed deserts and marginal grasslands are slow to recover because
A plant growth is slow and there is little water B the flora become too diverse genetically C excessive water drowns out essential nutrients