For the following questions answer them individually
The green colour of the leaves is due tp the presence of
To which group of blood an universal recipient belongs?
The normal body temperature of human beings is
Columbalivia is the sclentific name of
Namie the process of produtton of energy in the Sun
A spherical ball made of steel when dropped in a container will
The sounds having a frequency of 20 Hertz te’ 20,000 Hertz are known as
Eclipses occur-due-to which optical phenornena?