( A ) the gallbladder added bile which helps break down fats
The correct answer is vitamins and proteins.
Using the supplements for dog is important in order to make the muscle growth and to strengthen the tissues.
Vitamins, such as Vitamin C, which is required for a dog to support collagen production or Vitamin E which has antioxidant function.
<span>Pond organism is unicellular and crab is multi cellular.
The simplest level at which life exist is called the cell. Unicellular organism contain only one cell while multi cellular organisms contain more than one cell. Multi cellular organisms can be organized into various levels such as Cells>tissues> organs>organ systems> organism. Thus pond organism is unicellular under microscope and crab is multi cellular.</span>
