Answer:
a human and a fish also bacterium
Explanation:
Exposure to environmental tobacco smoke causes approximately 45 to 46,000 non smokers to die of heat diseases annually. Smoking harms the cardiovascular system in many ways which include; damaging the lining of arteries, reduces HDL, good choresterol, Raises LML, bad cholesterol, increases blood pressure and heart rate, it also causes the platelets to stick together in the blood stream and speeds the development of fatty deposits in the arteries among other risk factors.
Prescribed burns are referred to as ridding of the forest by burning the dead leaves, tree limbs, and preventing the destructive wildfire.
The prescribed burns can help in maintaining healthy ecosystems.
The prescribed burns can be explained as:
- The prescribed fire can reduce hazardous fuels, protect the human communities from wildfire.
- The prescribed burns minimize the spread of pest insects and any dangerous diseases.
- Prescribed burns improve the habitat for the endangered species, and remove the unwanted species that threaten the native species to ecosystems.
Thus, prescribed burns are useful to maintain a healthy ecosystem.
To know more about prescribed burns, refer to the following link:
brainly.com/question/6360948
