Describe 4 ways that we know the global climate is changing

Which of these is not a nucleotide base found in dna?

Fredrick griffith made a scientific discovery in 1928

Male satin bowerbirds build bowers like the one shown below. they decorate the bowers with brightly colored blue objects in order to attract females. male bower birds attract mates with their a. feathers b. looks c. behavior d. songs