4 When an atom takes on electrons, it will have which of the following? a neutral charge
no charge
a positive overall charge
a negative overall charge

In which situations is the principle of cross-cutting relationship useful in determining relative age?

Dna replication or repair occurs in a cell in all of thw following situations except when

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?