Acid rain is a serious problem in China. true or false?

1 answer:

7 0

Though acid rain is real, it is rarely occurred on earth, instead it is on Venus and Neptune. this is true because normally acid rain will occur where there is heavy pollution in the air over a certain state or location.
and china has the issue of this acid rain because of the rivers in southwestern china and fish population. the pH is lower than normal and sometimes even drops down to 5.5 pH killing off hundreds of thousands of fish each year.

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Which feature do amber fossils have that mold fossils do not?

ollegr [7]

Answer:

They preserve the entire fossil remain rather than there traces.

Explanation:

Amber is a fossilized resin from an ancient forest. It used as a healing agent in folklore. It is a product of high pressure and temperature.

They occur in a wide range of color and many geological records are found in amber hidden fossils. Its main property is to preserve the complete chemical and physical properties of the fossil.

Oldest known amber was of an arthropod, often found in association with insects. The amber fossils are believed to have been derived from older Eocene deposits. Later formations of glacial drift.

While a mold of fossil is formed by an animal, plane or other organisms which upon dying to get covered sediments and later its bones are decay due to chemical processes. Mold fossils tell traces of extinct organisms like trail track etc.