The pH scale measures the concentration of how acidic or basic something is. The lower the number below 7, is acidic. Above 7 is basic. 7 is waters purest form.
Cations are positive so they have less electrons than protons, while anions are negative so they have more electrons.
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Despite the hours of sunlight a city receives, the latitude of the city plays a larger role due to the fact that with a higher latitude, the higher the solar angle allowing a city to be much warmer.
Explanation:
Answer:
there were only anaerobic heterotrophic bacteria (the primordial atmosphere was virtually oxygen-free).
Circulation is your blood flow, well in my words. Like for example "I'm losing circulation in my arm." They are having their blood flow slow down or even stopped. It doesn't always have to be blood, it can be any fluid
