Give resons of the following:
a) Your parents advice you to wash hands before exting food.
b)we should not leave water collect anywhere in the neighborhood.
Answers
1) our parents advice us to wash our hand before having food because in our hand there are many microscopic germs and viruses which cause many problems if they enter our stomach.
2) The main reason stagnant water should not be allowed to be collected in the neighbourhood is that of breeding ground it would soon become for harmful mosquitoes that might spread deadly diseases like dengue.
Explanation:
a) Our parents advice us to wash our hands before having food as our hands comes in contact to a lot of things that can contains pathogens and due to that contact it gets transferred to our hands also and if we eat with such hands, these pathogens would enter in our body have would cause a number of diseases. Washing hands removes these pathogens from our hands and prevents them from entering our body and causing diseases.
b) We should not leave water collected anywhere in the neighborhood as this collected water leads to the rise of various disease causing mosquitoes like dengue, malaria, etc. These mosquitoes have an severe impact on us as it weakens our immune system making us unhealthy.