The ten warmest years of the 20th century have occurred since 1980 . . the snow cover in the northern hemisphere and floating ice in the arctic ocean have decreased. globally, sea level has risen 4-10 inches.

to what do scientists believe the types of changes noted in the quotation are most closely related?

a.
decreasing water quality

b.
increasing concentrations of greenhouse gases

c.
depletion of soil nutrients

d.
failure to recycle metals, glass, and paper

The diagram shows , , and . which statement can be proven true from the diagram? a. ∠dgb is supplementary to ∠ega. b. ∠dgb is supplementary to ∠cgb. c. ∠cgb is supplementary to ∠agd. d. ∠ega is supplementary to ∠egc. e. ∠egd is supplementary to ∠cgb.

From the standpoint of geography,a is an internal rendering of an individual's known world

Although china’s total economic output, measured by gross domestic product (gdp), is third largest in the world, it is considered a developing nation. what is most likely the most important factor for this designation? a. china’s government spends money on things that do not benefit human development. b. china has a large population, so its gdp per person is only modest. c. china has a strong economy but weak literacy and school attendance rates. d. china’s high rates of disease offset the country's economic gains.