In the figure, angle e measures 54° and angle g measures 29º. what is the measurement of angle h?
a 25°
b. 34°
oc. 97°
d. 126

Arock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to separate different parts of a rock into pure substances. this is because a rock is a(n)

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change. when the temperature in a room increases from 25°c to 33°c, changes from a solid to a liquid. in a lab, methane and nitrogen are cooled from -170°c to -200°c. the methane freezes and the nitrogen . when gold is heated to 2,856°c it changes from a liquid to a .

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.