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 is C: irrigation
The challenges range from terrorism and violent extremism, to piracy, political instability, elections-related violence, drug trafficking or deadly viruses.
I believe a large food distribution company. Since her degree is in book keeping and a food distribution company must keep track of their sales and where everything goes and how much they sent. :) if this is wrong I’m so sorry