What percentage of the earth’s water is fresh and available for agriculture, human consumption and ecosystems?

Ships can transit between the atlantic and pacific oceans using the canal.

In 1933 the 21st amendment was added to the u.s. constitution, allowing for the manfacture, transportation, and sale of alacoholic beverages in the united states. why was this amendment needed?

Mosses, lichens and shrubs can be found where in russia? a.grasslands b.mountain regions c.coastal plains d.siberian tundra