One-fifth of Earth's ocean floor is now mapped Post a Comment This leaves four-fifths - twice the area of Mars - still to be surveyed to a modern standard. Baca Juga'Quick fixes' to the climate crisis risk harming natureIn pictures: Solar eclipse as seen from the UK'Miraculous' mosquito hack cuts dengue by 77% Read More Share : Post a Comment for "One-fifth of Earth's ocean floor is now mapped"
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