Answer:
It's controlled by the Brain
Example - the relatively rigid covering of a plant cell, containing cellulose, hemicellulose, lignin, etc.<span>
non example - </span><span>Mycoplasma because it has no cell wall</span>
Answer:
pH meter and pH paper.
Explanation:
There are a few other ways that are commonly used, including titration, but most are tedious and require detailed hands-on work. A pH meter is normally assisted by the use of a computer or a digital user interface. The use of pH paper can be likened to the use of a Galileo thermometer.
Most likely clay, silt and sand are to be found in samples of rocks.
