Answer:
There are about 300 different types of species, but we've not explored even more than 50% of the ocean
Explanation:
As Earth orbits the Sun, this same principle is used by astronomers to determine the distance to nearby stars. ... Parallax is the first "inch" on the yardstick with which astronomers measure distances even further to objects.
Answer:
From 1901 to 2010, global sea levels rose an estimated 187 millimeters (mm; 7.4 inches), averaging a 1.7 mm rise annually; estimates are that from 1992 to 2010, the rate increased to 3.2 mm annually.