Which of the following best explains why negative urine is needed for toxicologists? O To observe what a sample behaves like when a drug is not present
To analyze what odor a sample gives off
To establish what drugs could potentially be in the sample
To understand if the drugs within a sample are legal or illegal

Models are non-visual ways of coummincating how someone thinks about something in the natural world

What will happen if deforestation continue to destroy the green plant on the planet

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?