A change which is harmful to us is called__________.
Fast changes
slow change
desirable changes
Undesirable changes
The changes which takes longer time to occur are called__________.
Slow changes
Undesirable changes.
A change which is useful to us is called a ___________.
undesirable changes.
The technique pasteurization was developed by _______________.
Louis Pasteur
Rutherford
Linous Pauling
Bohr