I associate "Tone" with sound frequencies. Tonic solfa being a music example which is basically, I think, using a certain musical key signature such as C major. In a major scale the sequence of "musical intervals" (ie frequency steps) is key note TONE TONE SEMITONE ... TONE TONE SEMITONE.octave higher than keynote.
So, I'd go for a here.
The lack of a subscript after the 0 means that there is only one oxygen (0).
There are 2 hydrogen molecules and 1 oxygen molecules
hope this helps
Answer:
exercise dailyyy
Help you control your weight. ...
Reduce your risk of heart diseases. ...
Help your body manage blood sugar and insulin levels. ...
Help you quit smoking. ...
Improve your mental health and mood. ...
Help keep your thinking, learning, and judgment skills sharp as you age.
Explanation: