Where does a plant get their carbon from

Which of the following systems in absorbing oxygen and releases carbon dioxide

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

In which state was more than 100 billion tons of coal mined in 2005?