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

An experiment with a loop of thread, An experiment with a loop of thread ...

An experiment with a loop of thread Rinse a dinner plate methodically and then fill it with water. Make a loop with thread, open it a little and float it on the water. Touch th

Explain protective and excretory function, Explain Protective and Excretory...

Explain Protective and Excretory Function Protective function: Large quantity of mucin is secreted by gastric glands. Mucin lubricates the food bolus (a mass of chewed food) an

What is the important consequence of soil aeration, What is the Iimportant ...

What is the Iimportant consequence of soil aeration Another important consequence of soil aeration is oxidation-reduction reactions  that take place in soil and this may decide

Reflexes, Reflexes: It is of  interest  to know,  that all sensory in...

Reflexes: It is of  interest  to know,  that all sensory information does not have to go to the  -  brain before we can react to a stimulus. Our responses to certain stimuli

Intrusion into the nitrogen cycle, Intrusion into the Nitrogen Cycle: ...

Intrusion into the Nitrogen Cycle: Human intervention can disturb  the nitrogen cycle. Let us see how. When we grow and harvest crops. there is loss of  nitrogen from the soi

State the pipette method of soil, State the Pipette Method of soil The ...

State the Pipette Method of soil The   sieve analysis, though is a true particle size analysis, is  unable to separate particles smaller than 20 microns. Such particles are sep

Define volume of urine - general examination of urine, Define Volume of Uri...

Define Volume of Urine - General Examination of Urine Volume: Measurement of the volume of each urine specimen passed is necessary for the conditions in which the fluid balance

Elasticity of price expectations, What happens if the elasticity of Price e...

What happens if the elasticity of Price expectations is less than one?

Deserts, ecological characteristics of deserts

ecological characteristics of deserts

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