What requirements are fulfilled by Inorganic fertilisers?

Inorganic graphite is

What are the problems in using inorganic fertilisers?

Why organic manure is better than inorganic fertilisers?

Name some fertilisers.

Mention the conditions that are to be fulfilled to obtain patent for a certain invention.

What minerals are required more in pregnancy?

The daily requirements of water of three families in our three-storyed flat are 1200 litres, 1050 litres and 950 litres respectively. After fulfilling these requirements in order to put up a tank again and to deposit to store 25 % of the required water, only a land having the length of 2·5 m and breadth of 1 ·6 m has been procured. Calculate the depth of the tank in metre that should be made. If the breadth of the land would be more by 4 dcm, then calculate the depth of the tank to be made.

Why iron requirement is increased in pregnancy? What are the complications of pregnancy?

Due to the fertilization of organic and inorganic fertilizers, air pollutant gas______ is reduced which is also a greenhouse gas.

What is fertilisation.