Which of the following is more reactive

a. at

b. i

c. br

d. ci

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

Matched chromosomes carrying information about the same characteristics in the organism are called