Which of the following represent human systems? hoover dam genetic engineering volcanic eruptions the panama canal plate tectonics s

Atsunami usually is the result of a. a nearby underwater earthquake. b. the winter monsoons. c. seismic activity in the eastern pacific ocean. d. hurricane-force winds.

According to a recent survey, the local government wants to classify people according to their income earning capacity. they want to do so in order to provide special facilities for the poor. who among the four individuals will be classified as poor? a. joseph earns $2.25 per day b. maria earns $1.50 per day c. rosita earns $2.00 per day d. tim earns $ 1.00 per day

High human population have had a negative effect on what issue? a. demand for consumer goods b. ability to staff armies c. business profits d. biodiversity