The Summative Assessments are aligned with the Common Core State Standards (CCSS) for English language arts/literacy (ELA) and mathematics. The tests capitalize on the strengths of computer adaptive testingâefficient and precise measurement across the full range of achievement and timely turnaround of results.
Kola wellâs derrick in 1980: still the worldâs deepest hole (Credit: Wikipedia) Decades ago, the Russians drilled deeper than anyone has ever gone. Their Kola Superdeep Borehole was started in 1970 and still holds the world record for the deepest hole in the ground. But they didnât reach the mantle.
Because the water is so deep beneath the surface and not in a liquid form, Jacobsen said it could probably not be extracted for practical use for people on the surface. The depth of this water is around 400 miles, or 700 kilometers, and the deepest hole ever drilled in the Earth is about 10 kilometers, Jacobsen said. The story has more to do with understanding the composition of the Earth.. Collaboration of two laboratories.