Answer:
B. because weather is a complex interaction among many different variables that are constantly changing
Explanation:
The answer is heart desease
D both alleles is the answer
The water from natural resources contain minerals that change the ph of water.
The answer for the above question is Cardiovascular fitness. It is the ability of the heart, lungs, and blood vessels to function efficiently when a person exercises. Cardiovascular system is the body system that includes the heart, blood vessels, and blood, and functions by transporting oxygen and nutrients to body cells and removing cellular wastes. Cardiovascular endurance on the other hand is the ability of the body to work continuously for extended periods of time.
