Which of the following are represented by upper and lowercase letters? A. proteins B. chromosomes C. genotypes D. phenotypes​

Which part of cellular respiration must occur before any of the other steps can occur

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

Tom wants to conduct a scientific study but he needs to finish by the end of the school year. what practical way could tom work around this limitation and be successful in his study?