No, it is not true.
29 to 30% of rivers on Earth WHAT?
Yes this is true.
True. The ocean contains more than 97% of Earth's water, with the remaining 3% found in glaciers, ice caps, rivers, lakes, and underground sources.
No, the number is more like 90%.
yes
This statement might actually be true. 25% of the Earth's land surface outside of the polar regions are desert.
True in spades!
False. Deserts actually make up around 33% of the Earth's land mass.
Nine tenths of the earth would mean ninety percent of the earth. Used in a phrase one could say: Nine tenths of the earth has some form of life on it. [though I doubt that fact is true.]
No, humans do not use or consume 60 percent of the oxygen on Earth. The atmosphere is made up of about 21% oxygen, and human respiration accounts for only a small fraction of that.
This is true.
Yes