What type of bond is formed as a result of this chemical reaction

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants.d. selecting individuals at random.

Me . based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

24. how are vaccines used to keep people healthy?