Answer:
The fossilized microorganisms found in the hydroscopic vents.
Explanation:
- These life forms are known to have been first appeared the earth and thus they were in the firms of the earth at least about the 3.77 billion and old as 4.28 billion years.
- And these microfossils were found in the primitive rocks formed near the Australian origin. They were in the appearance of the bacteria the single-celled worms and the hydro thermal vents provided them with the adaptable conditions of their growth and development.
A block mountain is a mountain that is formed by the fault blocks of rocks that are sometimes hundreds of kilometers. They are created by tectonic events. Where the large areas of bedrocks are disputed by the faults.
- A blue mounting is a range of mountains in Jamaica.
- These mountains are characterized by a uniform type of lithology. The se are forced by the lifting of the faults and an indicator of the external tectonic activity.
Hence the option A is correct.
Learn more about the block mountain in Jamaica
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<h3>Consequences of soil erosion</h3>
Soil erosion decreases agricultural productivity, degrades ecosystem functions, amplifies hydrogeological risk such as landslides or floods, causes significant losses in biodiversity, damage to urban infrastructure and, in severe cases, leads to displacement of human populations.
APEC later added SECURITY AND TERRORISM to their agenda. APEC is a forum that is made up of twenty one member countries that was established in 1989.Their principal objective is to promote free trade throughout the Asia - Pacific region. Later on, APEC added security and terrorism to the list of their major objectives.
