Why are skeletal remains present long after death? It takes a long time for the large number of cells to break down.
O Osteoblasts are the first cells to die when blood stops circulating.
O Mineralization of salts forms a hard, tightly packed matrix.
O Bones are covered with an impermeable membrane.

In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality