This is what 3,134,000,000 looks like in scientific notation 3.134*
Older glaciers have "longer" ice crystals than younger glaciers. Glacier from where there is more snow falls than snow melts, over a period of years. It is then compacted into ice. The longer the glacier is the older it is.
I believe the answer is D. The NASA mission which sent a probe to collide with a comet's nucleus is the Deep Impact. It is the first mission sent in order to see the interior of a comet. The comet that was aimed was called the Comet Tempel 1.
Yes Jordan is in Southwest Asia
