Which of the following is a characteristic of nonmetals?
a. nonmetals are often ductile
b. nonmetals are often malleable
c. nonmetals are often brittle solids
d. nonmetals are often conduct electricity

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

Enzymes affect the reactions in living cells by changing the

What is the subscript for oxygen in its molecular formula