DDT was used during second world war to control malaria among the troops and the civilians. Later, it was used as pesticide in agricultural and household practices. Due to its excessive use it entered into the food chain and its amount in the food crossed the permissible level. So, it was banned by United States.
Plant hormones shape the plant, affect seed growth, <span>affect which tissues grow up and which grow down, leaf formation, stem growth, fruit ripening</span><span>, and other factors.</span><span>
</span>
Abiotic means anything living and abiotic means not living
Anton van Leeuwenhoek :-))
