Answer:
Explanation:
The nucleus of an atom contains neutrons and protons bonded tightly together. The same chemical element can have a different number of neutrons and still be the same element.
speed equals wavelength times frequency so
.7 x 500 = 350
uh i think its D All of the above
sorry if its wrong
Molecules, arranged, cube
These are possible answers.
D, They produce fossil fuels
you can't just pull them out of nowhere