Me and fast. and no guessing or i will report you.

seismic waves that cause particles of rock to move in a back and forth motion are called

a. subsurface waves
b. secondary waves
c. s waves
d. p waves

If someone could do the first couple, just so i can see how it's done that would be great! 20 points. complete a dichotomous key for the 10 leaves on the common leaves sheet. the chart provided here allows for 11 pairs of statements. depending on how you build your dichotomous key, you may or may not need all of them, or you may need to add some.

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

Which of these is a provisioning service people get from the ocean