What is the gravitational potential energy of an apple that has a mass of 0.36 g and is 49.6 m high in a tree? NO LINKS

In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?

Which of the following would involve looking at different structures of organisms and comparing how similar they are? a. vestigial structuresb. radiometric datingc. homologous structures

Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope? a compound microscope has greater magnification ability than a simple microscope. the compound microscope was invented before the simple microscope. a compound microscope is much easier to manufacture than a simple microscope. compound microscopes were more common than simple microscopes.