When Hitler continued his aggression, Chamberlain pledged Britain to defend Poland's independence if the latter were attacked, an alliance that brought Britain into war when Germany attacked Poland in 1939.
FIND OUT MORE. The Earth is covered in a layer of solid rock called the crust. Rocks are either SEDIMENTARY, IGNEOUS, or METAMORPHIC. Almost all rocks made of minerals, but different rocks contain different mixtures of minerals.Granite, for example, consists of quartz, feldspar, and mica.IND OUT MORE. The Earth is covered in a layer of solid rock called the crust. Rocks are either SEDIMENTARY, IGNEOUS, or METAMORPHIC. Almost all rocks made of minerals, but different rocks contain different mixtures of minerals.
The surface of the earth down to the mantle that literally floats on the mantle is called the crust and is made of basalt and granite. The lithosphere is a layer that includes the crust and the uppermost portion of the asthenosphere.Thus, the lithosphere contains the oceanic crust, continental crust, as well as the uppermost mantle. It confuses many as to why there are two names for the same layer of earth.he difference between lithosphere and crust finds its base in the formation of the earth. Earth, which is a spheroid, is not a monolithic, uniform structure, but divided into layers having different characteristics.