Answer:(i)The most common way for a dead organism to avoid decomposition: The body could be buried in a sandstorm.
(ii)Dry and barren places have high erosion that reveals fossils. Dry and barren places are comfortable for heavy phyiscal labor.
(iii)Radiometric dating methods
(iv)In a quadrupedal pelvis, the ilium lies lateral to and parallel to the vertebral column and the ischium extends dorsally. ... In a bipedal pelvis, the ilium is shorter, wider and expanded front-to-back. Where the ilium articulates with the sacrum is wider, providing greater stability and support.
(v)Lucy has a more humanoid pelvis because she was a hominin.
Explanation:
Hope it helps :)
3A)Amino acids-peptide
3B)Enzymes–speed up
3C)Active sites–substrate
3D)Unchanged
3E)[follow the instructions given]
4A)DNA—RNA
4B)Nucleotide—Deoxyribose–Phosphate–Nitrogen base
4C)DNA
4D)Thymine–Adenine—Cytosine–Guanine
4E)Hydrogen bonds
