Why must cells constantly reproduce?

What is the m’naughten rule? how did this rule come into existence?

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?

The image below shows a weather service map. which details best describe this map? check all that apply