Both P- and S-waves can travel through liquids. b. Seismic-wave velocity cannot change (increase or decrease) as the waves pass through different rock types. c. Seismic waves travel faster in liquids than through solids. d. P-waves in a porous sandstone will move more slowly than P-waves traveling through a crystalline rock.

Which of the following statements about pesticides and residue is false? a. most conventionally grown produce has detectable levels of pesticides when purchased from the store.b. the us government has determined that small levels of pesticides in produce is safe for humanconsumption.c. organic produce always will be pesticide-free.d. farm workers, children, and pregnant women are at greatest health risk from pesticides. select the best answer from the choices provided.

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.

Mosses, lichens and shrubs can be found where in russia? a.grasslands b.mountain regions c.coastal plains d.siberian tundra