How will batting practice affect a player’s batting average?      Hypothesis: 
Independent variable: 
Dependent variable: 
Control variable: 

Mitochondria produce atp, a high energy compound. atp is used for all sorts of enzyme-mediated reactions, such as making proteins/nucleotides/etc, certain compounds cross the cell membrane, muscles move, etc.  without this source of energy, a cell will die. it will not be able to repair itself, defend against pathogens, etc.

False because when you are going on any water activities it is good to know if the water has any recreational illnesses its false on edgenuity also  

Bees shall never produce milk no matter what but this is a joke and the answer is a breast that produces milk.