PLS HELP MY DAD IS GONNA KILL ME IF I DONT PASS THIS TEST To find the epicenter of an earthquake, a seismologist needs to know

the epicenter distance from 10 seismic stations.

the intersection of two circles from two seismographic stations.

the distances from three different seismic stations to the epicenter.

the difference in the arrival times of the P- and S-waves at a single seismic station.

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

Pl which diagram illustrates prophase?

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla