What is the age of an intrusion of igneous rock in relation to the sedimentary rock layers through which it passes?

always older
always younger
sometimes younger, sometimes older
the same age as the other rock layers

Describe the german immigrants in texas. why did they emigrate from germany to texas? what are some examples of their culture in texas?

Why are fossils of organism's from the phanerozoic eon much more likely to be found than fossils of organisms from any other eon? a. more organisms present during the phanerozoic eon had soft body parts. b. organisms present during the phanerozoic eon were all microscopic. c. more organisms present during the phanerozoic eon had hard body parts. d. organisms present during the phanerozoic eon are the most ancient life forms.

Witch layer of the atmosphere has the most air pressure