Explanation:
c. if the vector is oriented at 0° from the X -axis.
The best question that could prompt a scientific investigation is: <u>What substances dissolve in ocean water?</u>
This way the person experimenting can use several variables and make observations. Upon making observations, the person can be able to gather as much data as he can in order to answer the original question that he asked.
If an object that is 86kg on the moon then that is the answer, 86kg.
<span>electromagnetic.........</span>