Answer:
It should be change in behavior because they moved underground
The geologic features that help scientists to determine the relative ages of rocks by their positions include index fossils, intrusions, and cross-cutting relationships (Option d).
<h3>What does geological age mean?</h3>
The expression geological age refers to the relative age of a given rock and or fossil (i.e. a piece or trace of dead organism) in a geological time scale.
In conclusion, the geologic features that help scientists to determine the relative ages of rocks by their positions include index fossils, intrusions, and cross-cutting relationships (Option d).
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Answer: Filtration
Blood that is going to be filtered enters the first part of the nephron,
the glomerulus, which is a tuft
of capillary vessels. The glomerulus is inside a "sac" called a
glomerular capsule.Together, the glomerulus and the glomerular capsule
form the renal corpuscle, which is the filtering unit.
Parent material, organic matter, sand, silt, clay, water