Answer:
The correct answer will be option-E.
Explanation:
Chordae tendinae are the string-like structure in the heart which is composed of dense regular connective tissue called collagen and elastin proteins. They arise from the papillary muscles of the heart and branches out in the ventricle portion of the heart.
These play an important role in the closure of the AV valves to prevent the backward flow of the blood to the atria during ventricular contraction by holding cusps of the valve into the dome-shaped structure.
Thus, option-E is the correct answer.
The changes it made in forensic science by making it easier to prove if someone did or didn't do something and helps you identify someone if you cant figure out who it is
Answer:
bottom right corner
Explanation:
grass get eaten by the gazelle
gazelle gets eaten by both dog and lion
and wild dog also gets eaten by loin
the lion is at the top of the food chain it is the top predator
hope that helps
The observers is based only on an experiment
Answer:
2.6 billion years old
Explanation:
Initial:
100% k-40
0% ar-40
After 1.3 billion years:
50% k-40
50% ar-40
After 2.6 billion years:
25% k-40
75% ar-40
So the rock is 2.6 billion years old.
