<span>The most important point being that the natural balance in an ecosystem is maintained. This balance may be disturbed due to the introduction of new species, the sudden death of some species, natural hazards or man-made causes.
if biodiversity reduce so ecological balance also disturbe because ecological balance formed by biodiversity that are animals and plants.</span>
Titanium is a strong, light metal. It is as strong as steel and twice as strong as aluminum but 45% lighter than steel and highly resistant to corrosion. It is used in making alloys and is mostly added to steel because it increases the strength and resistance to corrosion of steel.
Titanium - steel alloys are particularly useful in spacecraft and aircraft applications which account for about 65% of all Titanium sold. These alloys find a host of other applications such as in manufacture of jewelry, bicycles, golf clubs, various sports equipment and also in the medical field as artificial hips, knees and specialized dental implants.
Hi!
The correct answer according to the ones provided is <span>A) It takes millions of years to form
Although the earth is not millions of years old and so, therefore, it does not take coal millions of years to form. The true answer would be coal takes a very long time to form.</span>
<span>Many of the plant catalog pages or botanist's sketches of plants can be viewed at museums because of their beautiful detail and exact color variation. Botanists are able to draw such detailed-images because of their intricate knowledge on the structure of plants.</span>
