Prawn, scorpion, and housefly are included in one phylum-Arthropoda. These are bilaterally symmetrical animals.Their body is segmented, has three major parts, i.e.head, thorax, and abdomen, made up of chitin and somite bears paired lateral and jointed legs.

    

 

Considering the above images and general characteristics of arthropods, analyze and compile a report about the classification of these animals into one group.

Define the following

Specific latent heat of fusion

Define specific latent heat of vaporization.

Normally we observe lichens on the barks of trees as a greenish-white crust. The incidence of lichens on the trees near busy roads is lesser compared to those on trees some distance away from roads.          

Read the passage and elaborate the inferences you drawn from it, in context of environmental pollution.                                                                 

Now a days,more preference is being given to organic food over the conventionally grown items.                                    

Draw an explanation supporting the prevalence of the organic food in the markets.