Answer:
Driving a car, smoking, burning of woods for heating purpose and cooking food.
Explanation:
Driving a car, smoking, burning of woods for heating purpose and cooking food are the activities that are performed in our home daily. These activities greatly affected the biogeochemical and hydrologic cycles by increasing the concentration of carbondioxide gas in the atmosphere. Burning of fossil fuels in the car engine and burning of woods releases carbondioxide gas that causes air pollution. The use of electric cars and electric heater can decrease the impact on these biogeochemical and hydrologic cycles.
The 1918 Spanish flu, it infected 500 million people across the globe and it had killed up to 100 million people which is about 5% of the worlds population in 1918.
Making community gardens to reduce the excess CO2 in the atmosphere
Answer:
It takes place in the absence of oxygen
