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

Define physiology of growth and development, Define Physiology of Growth an...

Define Physiology of Growth and Development Growth refers to 'increase in size' and development refers to 'maturation of function'. They are generally associated with each othe

Explain what is deamination reaction, Explain what is Deamination Reaction ...

Explain what is Deamination Reaction ? Deamination is a process by which N of amino acid is removed as ammonia (NH3). These reactions occur primarily in liver and kidney. The

Objectives radiation and chemical hazards, Objectives After studying th...

Objectives After studying this unit, you should be able to: 1.  Categorise different radiations into ionising and no ionising types, 2.  Explain the effects of radiations

Personal safety hygiene, Personal safety : You would recall that there are...

Personal safety : You would recall that there are mainly three routes through which the harmful substances can enter the human body. These are, direct contact followed by penetrat

Physico-chemical properties of vitamin e, Physico-chemical properties of vi...

Physico-chemical properties of vitamin E are as follows: a)  Tocopherols are yellow, oily liquids. b)  They are freely soluble in fat solvents. c)  The  compounds  are

What is an index, Question 1 What is an index? Explain physician's inde...

Question 1 What is an index? Explain physician's index with the help of examples 2 How to use the Electronic Medical Record for Prior authorization and SOAP technique 3 G

Objectives of fire safety measures in a laboratory, Objectives After y...

Objectives After you have completed this exercise, you should be able to: 1.      Enlist all the fire extinguishers available in the labs and relate them to the type of fire

Explain time period can carbon-14 dates have, What time period can carbon-1...

What time period can carbon-14 dates have? Carbon 14 has a half-life of 5,730 years, and thus it can be used to date very precisely a large majority of things, particularly woo

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