Which of the following statements is true? Conduction does not work in fluids because the molecules are too far apart.
Radiation does not work in solids because the molecules are too close together.
Heat lost from friction is usually easy to recapture and use.
s Heat is transfered through space by convection.

Which best describes why it is necessary to evaluate a solution?

Which of the following selections is least useful for supporting the claim that states intentionally built unequal school systems? question 1 options: the supreme court ruling in plessy v. ferguson (1896) wrote into law that america had two separate societies: one black and one white. it was very clear by the mid-1900s that southern states had expertly built separate educational systems. these schools, however, were never equal. states with laws keeping schools segregated never gave equal amounts of money to their black and white schools. ten years after brown, fewer than 10 percent of southern public schools had integrated. some areas did not comply at all.

An refers to a specific factor that has a range of possible values