Which of the following best describes a solution? A.
a homogeneous mixture composed of two or more pure substances in different states of matter
B.
a homogeneous mixture composed of two or more pure substances in the same state of matter
C.
a homogeneous mixture composed of one pure substance with portions in different states of matter
D.
a heterogeneous mixture composed of two or more pure substances in the same state of matter

Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels.the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause,directly and indirectly, for such a rise in sea level is

Which wave would cause destructive interference at every point of the wavelength and completely cancel out the wave?

The electricity that is delivered to our homes from regional generating stations uses high voltage to increase the safety of transmitting electricity to keep the available power the same despite the low current to induce magnetic fields in the wires to increase the magnetic field produced by the current