What factors contributed to changing indigo use and sedimentary rocks into metamorphic rocks

The air that we breath is made mostly of which gaseous molecule

How can you increase the strength of an electromagnet?

Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?