Choose all the answers that apply. Carbon-13 has an atomic number of 6. Carbon-13 .

has two electron shells
has 7 electrons
is an isotope
is in period 2
has 7 neutrons

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

What are the similarities of physical and chemical change ?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space