Which statement most accurately expresses the
main idea of this passage?
(1) information technology will make it easier to
buy and sell goods.
(2) information technology will make capitalism
obsolete.
(3) government must regulate the information
technology industry.
(4) the costs of information technology will
outweigh its benefits.

The statement that most accurately expresses the main idea of this passage is that The costs of information technology will outweigh its benefits. The answer is number 4. The rest of the choice do not answer the question above.

coral.

explanation:

coral. many marine organisms that produce calcium carbonate shells or skeletons are negatively impacted by increasing co2 levels and decreasing ph in seawater.

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.