PlZ HELP RIGHT AWAY which of the following are the toxic gases emitted ?
A. Sulfuric acid
B. Nitric acid
C. Sulfur oxide
D. Nitrogen oxides

In all living cells dna controls cellular activities by

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?