Many male birds will expend a great deal of energy building nests. Females will mate with the males who build the best nests. This is best described as an example of .

We the people of the united states, in order to form a more perfect union, establish justice, insure domestic tranquility, provide for the common defence, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this constitution for the united states of america. according to the preamble which action represents an appropriate role for government

What are the three stages of volcanic activity? a. active, magma, lava c. extinct, eruption, explosive b. eruption, quiet, explosive d. active, dormant, extinct

Registrars maintain high a. standardized tests b. faculty payrolls c. transcripts d. sporting facilities