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

Explain saliva - external defence mechanism, Explain Saliva - External Defe...

Explain Saliva - External Defence Mechanism Saliva contains microorganisms which are not the normal inhabitants. Dead microbes are passively flushed by the saliva and are swall

Obesity , Obesity : Generally, fat people think that their overweight is du...

Obesity : Generally, fat people think that their overweight is due to their constitution and for heredity. It could be true in some cases. But have you ever come across a fat labou

Elements of a gar model of risk assessment, Question 1: (a) Enumerate ...

Question 1: (a) Enumerate the five safety rules that you must observe at all times during boarding (b) Show the six elements of a GAR model of risk assessment. (c) What

Media and educational environment, Media and Educational Environment: S...

Media and Educational Environment: Some  recent technological developments  in media, have opened up new horizons. Besides, increasing use of media, to support and expand educa

Grade 8 Science Winter Break Packet STUDENT 2015-2016, Eight students condu...

Eight students conducted a controlled experiment to demonstrate how walking and running affected their heart rates. Use the data below to answer the following questions. Effects of

Experiment of floating bodies, Floating bodies Fill the overflow can wi...

Floating bodies Fill the overflow can with water and let it run out unless the surface is level with the spout. Select a piece of wood that floats half or more submerged in the

Career query, Hello sir, This is pradeep. I have completed M.Sc Biochemist...

Hello sir, This is pradeep. I have completed M.Sc Biochemistry since then i worked as a chemist in quality control department in pharmaceutical and cosmetic companies. I have co

Functions of adrenal sex hormones, Functions of Adrenal Sex Hormones Ad...

Functions of Adrenal Sex Hormones Adrenal androgens have only weak effects in humans. Their fictions are: 1. It is possible that part of early development of the male sex or

Define the functions of small intestine, Define the Functions of Small Inte...

Define the Functions of Small Intestine What functions does the small intestine perform? Can you list a few? Tally your responses with the functions enumerated herewith. The sm

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