Answer:
Children
Explanation:
A simple subject is the main subject in a sentence. Happy is describing the simple subject, pool could be a subject but not the main one. Play is the action the simple subject is doing.
Answer:
can you give me some points and mark me brainelist
Answer:
It is recommended to use test strips when using the Quat solution because it doesn't always come in the right concentration.
Test strips help to check this. Sometimes, the water with which the solution is being diluted already contains other chemicals which can enervate the potency of the quat. Other times, the Quat itself comes as an already weaken solutions.
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