Which research method allows researchers to most easily isolate the effect of both genetics and experience on specific traits? a. adoption studies b. twin studies c. family studies d. survey studies?

answer; i had to look this up and the only one i found was(last only 15 minutes) plz check first and good luck;

the declaration states, “we hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty, and the pursuit of happiness….”