Theories are___that can change and are typically a culmination of many scientists work put together, laws are___that do not change.
Fill in the blanks

Theories are system of ideas that can change and are typically a culmination of many scientists works put together, laws are generalized rules that do not change

answer; ///i believe the correct answer is (aids) acquired immune deficiency syndrome;

"do a testcross with a homozygous recessive plant."