Which variables make a volcano such as Popocatépetl more “dangerous” than others? 1. frequent eruptions
2. location on a plate boundary
3. location near human settlements
4. super hot magma reaching surface

The two tubes contain bromothymol blue. after 24 hours, what will the color of the water be in tube b? a. green (it won't change) b. yellow c. blue d. colorless (clear)

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament

Why are some places regularly warmer or cooler than others in a given month