The pH is a measure of the concentration of the hydrogen ion (H+) in water. This means that a relationship exists between H+ and pH of a solution.

The mathematical relationship between pH and H+ concentration ([H+]) is as follows:

pH = –log [H+]

This means that the hydrogen ion concentration (H+) of the following pH values can be calculated thus:

log 7 (a neutral solution) = 0.845
log 5.6 (unpolluted rainwater) = 0.748
log 3.7 (first acid rain sample in North America) = 0.568

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2 years ago

Why is hpv (genital warts) especially important for women in the current decade? it is the most painful of the sexually transmit

azamat

It is the most common sexually transmitted disease, especially among college women. Yes it is painful because it produces painful sores. Many parents believe that their daughters would become more sexually active if they took this vaccine. Because of the women with disabilities are more likely than other women to experience discrimination, emphasis on physical attractiveness.

4 0

4 years ago

What adaptations should one expect of the seed coats of angiosperm species whose seeds are dispersed by frugivorous (fruit-eatin

Eva8 [605]

The adaptations should one expect of the seed coats of angiosperm species whose seeds are dispersed by frugivorous (fruit-eating) animals, as opposed to angiosperm species whose seeds are dispersed by other means are:

(A) The seed coat, upon its complete digestion, should provide vitamins or nutrients to animals.
(D) The seed coat should be able to withstand high acidity, and the seed coat should be resistant to the animal's digestive enzymes.

<h3>What are angiosperm species ?</h3>

Angiosperms serves as those plants that produce flowers and they have ability to bear their seeds in fruits.

These species are the largest and can be described as the diverse group within the kingdom Plantae.