A scientist at a canyon notices observes a dike cuts across the sedimentary layers. How did it get there?
A) It was there before the layers; the layers built upon above and beneath it over millions of years.
B) There was an earthquake a layer of igneous rock was thrust into the sedimentary layers..
C) Magma rose from within the earth and intruded the sedimentary layers.
D) A piece of a volcano broke off beneath the earth..
Question 2
In which ways does pressure influence different rock compositions' melting points?
A) the more pressure, the higher the melting point
B) the more pressure, the lower the melting point
C) pressure changes the composition of the rock, raising the melting point
D) pressure changes the composition of the rock, lowering the melting point
Internal view of the heart illustrating the heart chambers, heart layers, and major blood vessels as
Skin structure, including the three layers of the skin and the accessory organs: sweat gland, sebace
Temperature profile of the Uranian troposphere and lower stratosphere. Cloud and haze layers are als
Layers of Rock Laid Down by Water
Five layers or sheaths called koshas in Ayurvedic philosophy.
Florometra Crinoid or Feather Star, Phylum Echinodermata. Monterey Canyon, California.