When one continental plate slides beneath another. 20+ pts
A.
the process of melting returns material to the Earth's surface.
B.
material from the Earth's surface is returned to the interior.
C.
material from the Earth's interior is always returned to the surface.
D.
weathering and erosion work to build high plateaus and mountain ranges.

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass

Why are common names a problem for scientist?