Answer:
O . All of these are important to life
hard parts are most likely to be preserved
D. Protein
Carbohydrates are made from three elements known as Carbon, water, and oxygen.
DNA is made up of phosphate sugar groups for the helix and nitrogenous bases for the inside.l
Lipids also are only made form carbon, water, and oxygen but in a different ratio.
Answer:
implantation – the process by which the zygote attaches to the uterine wall.