Explain how a supernova would create the environment for the formation of our solar system.

What did the first language sound like

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

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