Describe how coal is formed from dead vegetation . What is this process called?

15 ml of water and 10 ml of Sulphuric acid are mixed in a beaker. (i) State the method that should be followed with reason. (ii) What is the process called ?

A progeny of F_1 is crossed with the homozygous recessive parent. What is this cross called? Work out how is it useful?

The combustible substances formed from the dead remains of the animals and plants which were buried under the surface of eart are called

Fill in the blanks Production of new individuals from the vegetative part of parent is called_____ .

The process of extracting the metal from its ore is called :

How ozone is formed from atmospheric oxygen in the atmosphere/ What is the use of it in the atmosphere?