What kind of changes may come in an ecosystem due to development of a large town?

What kind of change did you obesrve in the leaves ?

Quick changes in the ecosystem occur due to

What kind of change takes place after formation of tea?

Look at the picture given below. What kind of change is shown in the picture? Choose the correct option.

What are the changes that take place in large intestine during digestion of food?

What change did you observe in the thermometer in the given experiment ? Where does the heat come from ?

As per second law of thermodynamics a process taken place spontaneously if and only if the entropy of the universe increases due to the process. Change in entropy is given by Delta S = (Q_(rev))/(T) What is the change in entropy of the universe due to the following reaction occuring at 27^(@)C ? A + 2B rarr C + 2D, Delta H = +1.8 kJ mol^(-1) Molar entropy values of A, B, C and D are 1,2,3 and 4 JK^(-1) mol^(-1) respectively.