It would be C, by their composition and texture.
Answer:
b
Explanation:
Nutrient pollution can create dead zones areas in water with little or no oxygen where aquatic life cannot survive. Also known as hypoxia, these areas are caused by algal blooms consuming oxygen as they die and decompose.
Retina and start of optic nerve
Answer:
God created Heavan and Earth
Explanation:
The charcoal produced by the burning of the woods provides nutrients for reforestation.