Ascientist working in the field wants to determine the approximate ph of
swamp water using a simple and inexpensive technique. which tool should
the scientist use to measure an approximate ph?
a. a ph indicator
b. a strip of ph paper
c. a ph scale
d. a ph meter

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.

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.

the cell cycle is the final answer! : )

i thinking chemical change