What did scientists learn from the information found on seismographs?

how deep the ocean is

the structure of the Earth's crust

the depth and density of Earth's layers

the elements present in the interior

Where are valence electrons located? in both the inner and outer electron shells in the outermost electron shell closest to the nucleus inside the nucleus

What is the density of water and diethyl ether g/ml?

What are the three signs that a chemical change has taken place

The percent yield of a chemical reaction is

Do you have science 6th

Calculate the number of atoms in a 1.26*103 g sample of silicon.

A region that has a large number of atoms whose magnetic fields are lined up parallel to a magnet's field is A. the magnetosphere. B. the magnetic declination. C. a magnetic domain. D. a ferromagnetic region.

Name the element that has atoms with the same electronic structure as sulfur ion

The mass of a 2.0 centimeter sample of a substance is 3.2 grams. Calculate the density of the substance

The aromatic amino acids are synthesized in humans by a pathway beginning with reaction of indole with serine. synthesized in bacteria in a pathway shared by all three, up to the production of the intermediate chorismate.