Match the events related to the formation of the universe with the stages during which they occurred. The universe
became
transparent.
Gravity came
into existence.
The universe
was at its
densest.

In which situations is the principle of cross-cutting relationship useful in determining relative age?

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

Explain the significance of thesaurus geographicus