What is a proposed method to understand the mechanisms of action of antibiotic-resistant bacteria? - Use radioactive derivatives of antibiotics to kill the bacteria
- Use fluorescent derivatives of antibiotics to track the bacteria
- Use more antibiotics
- Create more antibiotic-resistant strains

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?

What are some natural processes that represent physical and chemical changes?

Which is an example of a vestigial structure? a. tail of a monkey b. fin of a fish c. flower of a plant d. tailbone of a human