20 POINTS TRUE OR FALSE:
If you are wearing a seat belt in a car crash, the first law of motion is used by the seat belt to keep you safe.
A) TRUE
B) FALSE

Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material

Which are causes of mechanical weathering? (check all that apply) a. acid rain b. plant growth c. animal actions d. carbon dioxide e. pressure release i chose b & e and got the question wrong.

Which is a substance that can be separated by physical means and is not the same throughout