If species could reproduce, but do not live near each other, which type of isolation does this represent?

The activity of the modern sample is 1.10 bq . how long does that measurement take?

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 substance acts to prevent sudden ph changes in bodily fluids?