Which best describes the big bang theory?
a.
our universe is not the only universe.
b.
the universe is expanding.
c.
the universe is 4.6 billion years old.
d.
the universe is shrinking.

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale

Recombinant dna is the merging of dna from unrelated organisms to create new genetic varieties is assembled in the lab from mononucleotides was part of the green revolution of the 1960s is pollination of one plant by another of the same species is cross-pollination of one plant by a different species

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?