How can we offer first aid to victims of any disaster?

How is first aid provided to victims of disasters who are injured?

What is first aid?

How should we be have with each other during the time of disaster ?

What is first aid kit?

How can we overcome apical dominance?

How can we modify the properties of steel?

By Observing given picture, write any two effects of this disaster:

Answer the following in short : What first aid will you give in case of a sunstroke ?

In the figure given below, the black line (upper) indicates action spectrum for photosynthesis and the lighter line (lower) indicates the absorption spectrum of chlorophyll a, answer the followings: How can we derive an absorption spectrum for any susbtance?