How does soil aeration affect the porosity of soil?

this is a good question! i'll do some research and come back when i have the answer!

feral cats are estimated to eat tens of millions of native animals each night in australia

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.