Gregory is doing his experiment for the science fair. The above Table shows the data he collected. Based on the table, what is the best description of what Gregory wanted to know?

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?