Which of the following substances would be bonded covalently

In what way are cities microclimates?

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

What substance acts to prevent sudden ph changes in bodily fluids?