What questions are scientists asking about Lake Vostok, and what are they doing to learn about the lake?

A group of Russian scientists plumbing the frozen Antarctic in search of a lake buried in ice for tens of millions of years have failed to respond to increasingly anxious U.S. colleagues -- and as the days creep by, the fate of the team remains unknown.

Explanation:

i got 100 on edg

A group of Russian scientists plumbing the frozen Antarctic in search of a lake buried in ice for tens of millions of years have failed to respond to increasingly anxious U.S. colleagues -- and as the days creep by, the fate of the team remains unknown.

Explanation:

you never quite get what they are talking about

answer; cattle ranching on the savanna,and forestry in the amazon;