The ozone layer protects us from the harmful emission of rays directly to the environment. Absent this added layer of protection we humans will be susceptible to various forms of cancer due to over radiation and eye problems such as cataracts. It is estimated that 10% of the world's population will face the consequences of ozone depletion this year and these numbers were continue to rise as time progresses.
The answer to your question is knowledge. Scientific knowledge is the information gathered by the systematic study of nature.
Answer:
[a] 103m (I guess that it is 10^3 m)
Explanation:
To calculate how many millimeters you enter in a kilometer, just know the relationship between both units of distance.
The relationship is as follows:
1 km = 1 000 000 mm
So:
1 km = 1000 m = <u>10^3 m</u> = 10^6 mm = 1 000 000 mm
Answer:
D
Explanation:
Population of North America: 579 million
Population of South America: 422.5 million
Combined = 1.1 billion
Answer:
Megacities have an impact on public health, like contamination of water. Overpopulated places can bring diseases and a lack of health protection.
Explanation:
Megacities are the base for gas emissions that could be very dangerous for the environment. Traffic jam is getting worse day by day. Almost half of the habitant of one city spends at least one hour in the car to get to work.
