The upstairs of a house being warmer than the downstairs is an example of heat transfer by

How are rocks that cooled within magma chambers found on earth’s surface today? they are pushed up by magma under earth’s surface. they are revealed by erosion of earth’s surface over time. they are pushed to earth’s surface because of their larger size. they are revealed at earth’s surface due to their low density.

In a cladogram' when does a group of organisms branch off

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome