Which statement is true about p waves?

1. they travel faster than s waves
2. they are the most destructive type of seismic wave
3. they cannot be recorded on seismograph

The hematodinium parasite becomes less of a problem for the blue crab when the crab is very young. fishing is thriving in the region. the crab moves to less salty water. a significant percentage of the population is impacted.

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins

If a grape were placed in a hypertonic solution what would happen and why?