Which statement is true of a heterogeneous mixture but not of a homogeneous mixture?
A. It is made of different substances mixed together.
B. Its components are unevenly distributed.
c. Its components are evenly distributed
D. It is made of a single type of compound.

In 2002, the rare earth elements mine in mountain pass, california was closed because

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.

Sheela and her brother hari were sitting in the living room, watching tv. suddenly hari said that he thinks something is burning in the other room. how did he get the burning smell?