Question

give reason for the following:

a)Using compost is better thanusing fertiliser in the gardens.

b)The melting point of a fuse is kept low.

c)The bird flying at a speed of 30 km/h is considered to be in a uniform motion.

d)Iron articles are often coated with paint.

e)The drinking water is recommended to be boiled and filtered​

Answer 1

Answer:

a).y Becuz compost don't spoil the nature and soil why and also plants and some insects living in soil...

but fertilizers are not good for any plants,it destroys soil fertility

b).however when an excessive amount of current flows through the fuse wire,the heating effect of current causes the fuse wire to melt.so it's kept in low.

c.

d).when iron is exposed to the environmental condition it terribly reacts with water and air and ends up with iron rusting

e)by boiling and filtering the water can reduce some harmful diseases that spread by water.