Need help on this please help

What is called the "building block" of life?

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

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