what mass of copper 2 oxide will just neutralise dilute nitric 6 acid containing 3.15 of pure nitric 5 dissolved in water​

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.

What shape would a molecule with two bound groups and two lone pairs have?

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