Magic Gathering: 7/7 Flying, Green/White/Blue?

Questions

According to the Gemological Institute of America, up until 1896, India was the only source for ---------- to the world.?

All snow crystals are---------- .?

All the gold produced in the past ---------- years, if melted, could be compressed into a 50-foot cube.?

All the gold produced in the past five hundred years, if melted, could be compressed into a ---------- -foot cube.?

All totalled, the sunlight that strikes Earth at any given moment weighs as much as an ocean---------- .?