Most ecological efficiencies in natural ecosystems average about ________ percent

A) 2
B) 6
C) 10
D) 15
E) 20


C

Environmental & Atmospheric Sciences

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Which process would most be responsible for the greatest incremental growth in a water droplet?

A) Collision-coalescence B) Condensation nuclei C) Evaporation D) Strong surface tension

Environmental & Atmospheric Sciences

A strong chemical bond in which electrons are shared rather than transferred or exchanged is a(n) ____. (HINT: An example is the bond in quartz.)

a. covalent bond b. metallic bond c. hydrogen bond d. van der Waals bond e. ionic bond

Environmental & Atmospheric Sciences

The surface between the saturated zone (below) and the unsaturated zone (above) is called the:

a) water table b) hard pan c) saturated lid d) recharge zone e) head level

Environmental & Atmospheric Sciences

Briefly explain how hydrolysis results in the weathering of some minerals

Environmental & Atmospheric Sciences