Energy and matter characterize both physical and biological systems. These systems are defined both by the types of energy and matter they contain and by how that matter and energy move through and between systems. ... This means that energy and matter can change forms but cannot be created or destroyed.
Hii...so the answer is
The four layers are the external oblique, internal oblique, transverse abdominals.
hope u will like it.:)
<span>The Secret Of Death Valley’s Sailing Stones</span>
Answer:
simple answer for question 2
Explanation:
rocks are composed of grains from minerals,
