Answer:
That is much less often than in the last 150 million years, when the field has flipped every 600,000 years. In the last 10-20 million years it has sped up even more, to once every 200,000-250,000 years. "The evidence points to a more stable field in the very far past and fewer reversals," says Veikkolainen.
It should be A! Bowen's reaction series where minerals form from magma in predictable patterns! (:
I hope all is well, and you pass! Good luck, rockstar! (:
B. An oceanic plate sinks beneath another oceanic plate at a convergent boundary
Explanation:
The "doldrums" is a descriptive adjective for the corridor from around Earth closer to the equator when ships can become stuck in windless seas. In the horse elevations, where even the air moves down to towards the Earth's surface, the increasing jet stream eventually subsides.
The Gobi desert is cold and dry. There is nothing really there. The people living there are mainly nomadic.
