I believe it's the first one.
Answer:
It depends
Explanation:
Certain plants need certain amounts. Supposedly, it would be thousands of years... but it honestly depends on what plant it is.
Answer:
search the answer on guizzes or guizlet
Explanation:
it will help you
Answer:
The heart valves
Explanation:
The heart valves prevent blood from flowing in the wrong direction in the heart. The valves are held in the proper place because of the chordae tendinae.
The bone that's most commonly used to determine the height of the deceased is the femur (although the humerus can also be used). <span>The femur is measured in cm and the calculations may very according to the gender of the deceased and can be accurate within 5 cm.
The femur is a long bone that is hard and, therefore, can keep its integrity longer. As well as it is a bone that generally is proportional to the body.</span>