Answer: The student should have worn splash goggles, an apron, and gloves during the investigation.
Explanation:
Answer:
Reproducible by other scientists
The personal opinion of the scientist
Using vanable conditions for each test
Explanation:
Answer:
Into seven sections based on frequency
Explanation:
There are 7 em spectrums from radio waves, to infrared waves, to gamma rays listest in order from lowest to highest frequency.
