To keep it from separating into its component parts.
because it is important to fill a box with water at regular intervals
grid
periodical.
You should examine the solution for growth at regular intervals.
Traveling waves
To smoothly mix up the ingredients. water is stirred into the mix.
It is sugar that is stirred and is dissolved faster than regular sugar.
By having sex
No, it is a mixture.
No, that would be a mixture.
because it is important to fill a box with water at regular intervals
yup
Mixture
because sugar separates from tea!
If you stirred water and sand together, you would have a mixture of water and sand until the sand sinks to the bottom.
Sand and vinegar is a mixture. The two do not chemically bond, they are merely stirred together.
Lines that intersect at regular intervals are a grid. A grid is created when a row and a column intersect.