Answer: 4.04 ounce
Explanation: Given: Peanut butter contained in the jar = 1.43 kg
Used Peanut butter=8.0 % of 1.43kg = 
As we know 
Answer:
The human heart contains an estimated 2–3 billion cardiac muscle cells, but these account for less than a third of the total cell number in the heart.
Explanation:
the human heart Structure. There are two types of cells within the heart: the cardiomyocytes and the cardiac pacemaker cells. Cardiomyocytes make up the atria (the chambers in which blood enters the heart) and the ventricles (the chambers where blood is collected and pumped out of the heart).
Answer:
The rock displaces 475 mL of water.
475 mL is the volume of the rock.
1 mL = 1 cm^3
The mass is just density times volume.
m = 475 * 2.5 = 125 g
Explanation:
