Answer:
using organic fertilizer and pesticides improves the structure of soil, helps soil to retain nutrients and moisture,promotes healthy root growth, provides non toxic food etc.
Chemical weathering is when chemical reactions dissolve minerals and change them into different minerals. physical weathering (or mechanical weathering) is when physical things such as plants, animals, or ice wedging, breaks the rock without changing its chemical makeup
The minimum hydrogen to helium ratio is 3:1
<span>C. neutral, with the number of protons equaling the number of electrons.
is the right answer
because number of neutrons vary from atom to atom</span>
The answer is true because walking does not affect the environment