How does cell technology affect government

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

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?

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above