Explain the term- lichens, Science

Assignment Help:

Explain the term- lichens

The lichens are able to extract nutrients from the rocks . They are capable of retaining water for a long time during which chemical processes take place, e.g. alumino-silicates which are important components of rocks are converted to simple clay molecules by the process of hydrolysis and carbonation.


Related Discussions:- Explain the term- lichens

RESPIRATORY SYSTEM, WHAT ARE THE ORGANS OF THE RESPIRATORY SYSTEM?

WHAT ARE THE ORGANS OF THE RESPIRATORY SYSTEM?

Atoms and elements, why the atoms in neon gas do no join up in the same way...

why the atoms in neon gas do no join up in the same way that hydrogen atoms do?

Define age related changes in nervous system, Define age related changes in...

Define age related changes in Nervous system Varying degrees of atrophy in neuronal areas can be observed neurotransmitter functions are hampered. The cholinergic deficits seen

The water will not run through the cloth, The water will not run through th...

The water will not run through the cloth Choose a glass jar and a piece of cloth from an old sheet or handkerchief. Fill the jar with water. Wet the cloth well, stretch it over

How is soil formed, Q.How is soil formed? Soil is formed by breaking dow...

Q.How is soil formed? Soil is formed by breaking down of rocks at or near the surface of the Earth through various physical, chemical, and biological processes by various factor

A weather house, A weather house Changes in the amount of water vapour ...

A weather house Changes in the amount of water vapour are in the atmosphere can be indicated by variation in tension in a few strands of human hair or by using the hygroscopic

Stomach, Describe the structure of the stomach. How is it modified to carry...

Describe the structure of the stomach. How is it modified to carry out its functions? How does It compare to that of the fetal pig?

Define the visual area of the cerebrum, Define the visual area of the Cereb...

Define the visual area of the Cerebrum The visual area lies behind the parieto-occipital sulcus and includes greater part of occipital lobes. Optic nerve passes from eyes to th

ATOMS AND MOLECULES, in a reaction 5.3g of sodium carbonate reacted with 6g...

in a reaction 5.3g of sodium carbonate reacted with 6g of ethanic acid. theproducts were 2.2 g of carbon dioxide , 0.9g water and 8.2 g of sodium ethanoate, show that these observa

Explain transport of oxygen by red blood cells, Explain Transport of Oxygen...

Explain Transport of Oxygen by Red Blood Cells Oxygen combines with haemoglobin, i.e., the red pigment in red blood cells. It combines with oxygen in the lungs, transports it a

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd