Which of the following is a cause of eutrophication of a lake?
a. a high rate of evaporation causes salt accumulation. b. floodwater deposits a large amount of sediment. c. excess nutrients promote the growth of algae.
d. water begins to collect in a low-lying basin.

Volcanic irruption is most likely to be violent when a) volcanoes near to the sea b) the neck of the volcano is sealed by a plug c) the lava is viscous d) the lava reaches the surface through a fissure e) the volcano is on the ocean floor

What are two australian geographical features that hindered early exploration? western plateau gulf of carpentaria great barrier reef great dividing range

Which of the following statements best describes the quantity theory of inflation? a. inflation occurs because production cost rise and this cost increase is passed on to consumers in the form of higher prices b. inflation occurs because there is too much money in the economy c. inflation occurs because demand of good and services exceeds existing supplies d. none of these