Answer:
B. to counteract the sourness of the acids
Explanation:
Edge:) Good luck!
A 0.25m solution of NaCl is defined as a solution consisting of 0.25mol NaCl dissolved in 1kg water:
Which choice fits this definition: None does. I suggest that you recheck the data you have submitted - you have a mixture of moles, mass, etc and it is easy to make a mistake.
d) looks promising if it was: 1.0 mol NaCl dissolved in 4kg water.
I have overlooked C) as possible 0.25mol NaCl in 1kg water as being a little too obvious.
Natural selection leads to evolutionary change when individuals with certain characteristics have a greater survival or reproductive rate than other individuals in a population and pass on these inheritable genetic characteristics to their offspring.
Answer:
Ideal body fat percentage for men
Category Percentage
Essential fat 2-5%
Athletes 6-13%
Fitness 14-17%
Acceptable 18-24%
Explanation:
