Answer:
30 percent tree cover - 2000 - 2009JPEG ... of forest cover vary widely—as much as 6 percent of Earth's land area, or the equivalent area of China.
Explanation:
A is the correct answer I belive
Answer:
The easiest argument is the next one:
Suppose phytochemicals are like money. If I put you in a phone cabin with a lot of money and give you 30 sec to be there collecting as much money as you can, at the end you will collect not all the money and a lot of money will be lost. The same happens whit phytochemicals in supplements there are so many that your body can't use them all.
And other thing is that phytochemicals in supplements comes so concentrated that your body will be overstimulated to take this phytochemicals and that changes your normal digestion, in the time it may looks good...but if you don't take supplements anymore, your body will feel the lost and the physical results would be awull.
I think the answer is 90%. According to the recent National institute of Health, Microbes in the human body estimates that 90% of the cells in human body are bacterial, fungal, or otherwise non-human. Despite the arguments that bacteria enjoys a commensal relationship with the humans hosts, only a fraction of the human microbia has been characterized.