If a natural disaster caused all warbles to go extinct, why would the natural disaster not kill all living organisms?

Why is it important to study each branch of earth science?

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

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?