Answer:
3.8 billion years ago
Explanation:
The ocean formed billions of years ago. Over vast periods of time, our primitive oceans formed. Water remained a gas until the Earth cooled below 212 degrees Fahrenheit . At this time, about 3.8 billion years ago, the water condensed into rain which filled the basins that are now our oceans.
Answer:
Igneous Rocks: form by crystallizing melted material (magma). They can form either on the surface (extrusive igneous rocks), or deep in the crust (intrusive or plutonic igneous rocks). Volcanoes are places where magma erupts as lava or ash.
A trade surplus or trade deficit (answers B and C) refer to the relationship between the exports and imports and not to the cost on trade.
<span>A trade incentive is something that encourages the trade cost on trade is not an incentive. </span>
<span>The correct answer a trade barrier. </span>
Answer:
On the one hand, livestock farming, due to the easy alienation of livestock and the divisibility of its livestock, was perhaps the most favorable environment and the earliest form of private property relations. But on the other hand, traits characteristic of the cattle-breeding farm (especially nomadic) such as its stagnation, inability to improve economically and technically above a certain and rather limited level, and extreme dependence on natural conditions made the very process of cattle accumulation as the main wealth largely reversible .
Explanation:
By giving the South Asia a taste of style