1. carbonaceous chondrites
2. laboratory measurement
3. seismic waves
those are the 3 ways af how scientist study it.
:)
Most important agent of chemical weathering is WATER.
vegetation.
topography.
climate.
Answer:
to promote economic and political unity
Explanation:
The European Union was formed shortly after the end of the World War II. The reason for the formation of this organization was to promote economic support and development between the nations, as well as political unity, thus future conflicts to be prevented on the continent. The organization started off in Western Europe with only handful of members, but it gradually started to include other European nations in it, and nowadays there are more country members of the European Union in Europe, than countries that are not members of it.
<span>Rock salt and rock gypsum are common examples of chemical sedimentary rocks called evaporities.</span>
The climate in northern Russia determines the vegetation to be of tundra type.
Explanation:
Northern Russia is on a very high latitude, and very close to the North Pole. Because this area receives very little and very scattered sunlight, it is very cold for most of the year. That has resulted in the area being frozen for most of the year, the growing season to be very short, and the soil quality very poor.
The vegetation that exists here has had to develop special adaptations because of the extreme conditions. It is vegetation of tundra type. This vegetation is usually very small, from few mm to few cm. The requirements for nutrition are very low, with very small roots, and adaptations on the surface to prevent water evaporation and freezing. Such plants are:
- mosses
- lichens
- dwarf shrubs
- sedges
- grasses
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