Answer:
Enzymes
Explanation:
The products that are derived from microbial organisms can be removed from the environment by enzymes, which are molecules that can be degraded or inactivated easily by certain changes of temperature, pH, salinity, etc. What makes them a good option for an environmentally friendly product.
Your body can over work yourself and than give out
Answer:
Sediment in rivers gets deposited as the river slows down. Larger, heavier particles like pebbles and sand are deposited first, whilst the lighter silt and clay only settle if the water is almost still.