You didn't put any answers, but probably environmental groups.
The equation for the chi squared value is the (observed-expected)^2/E
<span>The answer is nuclie.
Cardiac muscle is an involuntary, striated muscle that is found in the walls and histological foundation of the heart. The cells that constitute cardiac muscle, called cardiomyocytes or myocardiocytes, predominantly contain only one nucleus, although populations with two to four nuclei do exist. Therefore more the cell with nuclie more the cardiac muscle strength.</span>
