Melanie recorded observations on the effect of two new fertilizers on the growth of plants. Three Identical plants to the first plant, 100 g of Peter A was added to the second plant, and 100 g of Fertilizers was added to the third plant. All other growing conditions of the plants were kept constant, which
step of the scientific method did Melanie do here? (1 point)
Drawing a conclusion
Testing with an experient
O Doing background research
Analyzing experimental data

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

explanation:

c. movement because i took the test and it lets me review my answers

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.