Answer:
pH = 13.70
Explanation:
pH is a value used in chemistry to determine nature of solutions, quality of several chemicals, etc.
pH is defined as -log [H₃O⁺]
A solution with molar concentration of hydronium ion, H₃O⁺. of 2x10⁻¹⁴M, has as pH:
pH = -log [2x10⁻¹⁴M]
pH = 13.70
Answer:
Doppler Red-Shift Evidence
Explanation:
The Doppler red-shift of light observed from distant stars and galaxies gives evidence that the universe is expanding (moving away from a central point). This allows for Big Bang Theory, because after a “bang” occurs all of the matter moves away from the point of origin.
The theory that explains this scenario is the tragedy of the commons theory.
<h3>What is the tragedy of the common theory?</h3>
It is an economic theory that explains how individual gains create a general problem in society at large.
When individuals pursue personal gains even at the expense of creating a general problem in society, it results in the tragedy of the common.
Indiscriminate dumping of garbage in the ocean by countries results in a general problem that affects the entire world vis a vis the collapse of many fishing industries.
Fishes represent a source of protein for man all over the world.
More on the tragedy of the commons can be found here: brainly.com/question/9680058
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Answer:
Evolution is a scientific theory used by biologists. It explains how living things change over a long time, and how they have come to be the way they are. ... It is known that living things have changed over time, because their remains can be seen in the rocks. These remains are called 'fossils'.
