Answer:
Radioisotopes are radioactive isotopes of an element
Explanation: Radioactive isotopes are detected by: photographic film.
a cloud or bubble chamber.
a liquid scintillation detector.
a Geiger-Muller counter.
What happens is the rearrangement of particles of the gold in a physical change
Answer:They all have diffrent body parts and are shapped and built diffrently
Explanation:Cause im smart:)
Answer: a hypothesis.
A hypothesis means a theory or a guessed explanation made, based on limited evidence as a starting point for further investigation.
The answer is d. atmosphere < leaves < roots < soil
