Which of the following is not an example of a chemical change? A. Rusting
B. Bubbles or Fizzing
C. Unexpected temperature change
D. Tearing

I put Chemistry because i did not see science.

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

Is a pencil falling to the floor anon contact force, a force, or a contact force

Select the correct answer from each drop-down menu. to make a table of the elements, dmitri mendeleev sorted the elements according to their . he then split the list of elements into several columns so that elements beside each other had similar .