The table below shows the depths at which an index fossil and three other fossils were found. Fossil Data
Fossil Depth (meters)
A 294
B 385
C 375
Index fossil 210

Which statement is correct?
The index fossil is the oldest fossil.
The index fossil is the youngest fossil.
Fossil A is the same age as the index fossil.
Fossil B is the same age as the index fossil.

every el niño cycle is different. every year.

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u

c. heat from the poles back down towards the equator.