The Effect of Acid Rain on Seed Germination w/ headings and sub-headings

INTRODUCTION

The term acid rain is usually used to have-to doe with to rain or snow with pH less than 5.6. It is

usually created because of the social movement of nitric and/or sulfuric acid in the tune and it in addition

affects everything it touches, including buildings, plants, and even seeds. Acid rain can affect seed

germination. root germination is when the seed begins to grow . A radicle can seen, as the seed

begins to split apart.

ACIDS

In order to understand acid rain, pH moldiness first be understood. pH determines a substances

acidity. A pH scale goes from 0 to 14. The lower the pH, the higher the acidity. Acids also have

other decided characteristics. Acids taste sour, from with bases to make salt, turn litmus

paper (pH paper) red, and strong acids can hit the roof skin. (National Atlantic Quebec Ontario Prairies

http://www.ec.gc.ca/acidrain/acidfact.html)

0 = most virulent

7 = neutral point (middle of the scale)

14 = most alkalinic (least acidic)

The pH level is based on a logarithmic scale. every step on the pH scale represents a

factor of 10. pH 1 is 10 times more acidic than 2. (Somerville, Richard C.J. pg. 144)

Since acids release total heat ions, pH is based on the concentration of hydrogen ions in

the solution. (National Atlantic Quebec Ontario Prairies http://www.ec.gc.ca/acidrain/acidfact.html)

ACID RAIN

Rainwater naturally has a pH of 5.



5 - 6, because carbon dioxide naturally dissolves in it,

but acid rain is man made and a great deal more acidic. Acid rain is caused by the presence of sulfur

dioxide (SO2) and/or nitrogen oxide (NOx) in the atmosphere, where clouds form. Then as rain or

snow is formed, it travel to the ground and is mixed with the NOx and/or SO2. As this acidic water

flows over the ground, damage is done to animals, plants, buildings, and cars.

This is a very thoroughgoing(a) investigation on the Effect of Acid Rain on Seed Germination. Good use of structure and its also good to see so many cited sources.

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