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.
Answer: how to use a repeated sound to focus
her attention
An individual like Addison will be given training
on how to use a repeated sound to focus her attention. Transcendental
meditation allows
the mind and body to settle into a quiet state of restful alertness. This will
give Addison feeling refreshed, energized, and at peace.
Answer:
D
Explanation:
Lymphocytes are the second line of defence
First line of defence indiscriminately defends against all pathogens unlike secondary response which is targeted. First line of defence refers to the external body components like skin, secretions from the body in the alimentary canel
Mucus traps pathogens. Stomach acid kills pathogens
Because if we use too much coal we are wasting fossil fuels and burning coal hurts the environment so the alternative energy sources provide clean energy
S phase of interphase where the DNA replication takes place.