Select 2 words that can be used to describe the diagram

a. niche

b. 10% rule

c. symbiosis

d. ecological succession

e. trophic levels

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

the backbone of the dna and rna compound is sugar phosphate.

c. the initial amount of money placed in the savings account