We know that Earth's outer core is liquid because...
a Both earthquake P-waves and S-waves are blocked from passing through it.
b The crust and mantle both float on top of it.
c Earthquake S-waves are blocked from passing through it.
d Earthquake P-waves are blocked from passing through it.

20 brainliest for whoever answers correctly and answers all choose the statements that accurately describe china's "one child policy." china's "one child policy" began as soon as the communists came to power. the "one child policy" was meant to keep the population from reaching 700 million. the "one child policy" was meant to slow china's population growth. the "one child policy" began as a result of the country's war with japan. some people were allowed to have more than one child. the "one child policy" began in 1979. the "one child policy" was most enforced in urban areas. the "one child policy" ended at the start of 2016. china's population is current just under 1 billion people.

Which occurs when air is compressed? air molecules move slower. air temperature rises and air molecules move faster. air temperature decreases. air temperature decreases and air molecules move faster.

Study the image. which feature is modeled in the diagram? check all that apply. 1 a convergent boundary is formed. 2 continental plates are colliding. 3 two plates are forming a divergent boundary. 4 continental plates are sliding past each other. 5 several mid-ocean ridges are formed on earth’s surface.