Why is the process in which rocks change called a cycle?

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

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