Answer:
so many processes requires oxygen to operate .
An example is the process of plants making their own food .
Explanation:
r:grasshoppers and cockroaches different in colour, habitat, and body mechanism .
Explanation: grasshoppers coluor range is green while cockroaches colour is redishBrown
Grasshoppers habitat is grass while cockroaches habitat is watery (wet) and dirty places.
Theses are observable differences.
A Balance tool is what you need
Is part of the eath's layers and outer core of the earth
