Chemical methods--It includes ion exchange, precipitation, oxidation and reduction, and neutralization.........
Thermal methods--In this, high-temperature incineration, which not only can detoxify certain organic wastes but also can destroy them....
Biological treatment-- It is of certain organic wastes, such as those from the petroleum industry by a special method called landfarming
Physical treatment-- It concentrates, solidifies, or reduces the volume of the waste. Physical processes include evaporation, sedimentation, flotation, and filtration....
I think the answer is a but I am not sure
Answer: Directly or indirectly, the sun provides energy for living organisms, and it drives our planet's weather and climate patterns. Because Earth is spherical, energy from the sun does not reach all areas with equal strength.
Explanation:
The earliest elephants evolved during the Eocene era.
B: Black body
b: brown body
Bb+Bb= BB, Bb, Bb, bb