Answer:
The presence in the air of one or more contaminants in such a concentration and of such duration as to cause a nuisance or to be injurious to human life, animal life or vegetation.
<span>Distance covered by Mario in 6 hours is 330 miles.
Then, Average speed of Mario is 330 miles divided by 6 hours = 55 miles per hour
so to drive a total distance of 715 miles, it would take him ( 715 miles divided by 55 miles per hour) hours
i.e., 13 hours
so Mario will have to drive for 7 more hours to complete a total distance of 715 miles.</span>
Answer:
Explanation: Homeostasis in animal
Homeostasis is the way animals maintain a stable internal balance in their body. It allows animals to function in the changing external conditions surrounding their body. ... Osmoregulation is an example of homeostasis. It is way osmosis is controlled by salmon to maintain a water balance.
The two worst method of waste
management are disposal to landfill and thermal treatment.
Disposal to landfill adds up
to the pollution in a certain place where the landfill is located. It can also
cause some diseases from the landfill.
<span>Thermal treatment or
incineration is a process that involves combustion of organic substances
converting the waste into ash, heat, and flue gas.</span>
Answer:usually a wall or a bridge seperates another country
Explanation: hope i helped