A student is given two 10g samples, each a mixture of only nacl(s) and kcl(s) but in different proportions. Which of the following pieces of information could be used to determine which mixture has the higher proportion of KCl(s) ? A. The volume of each mixture
B. The mass of Cl in each mixture
C. The number of isotopes of Na and K
D. The reaction of each mixture with water

2positives of biotechnology: 1. plants have become more resistant to viruses and other communicable pests.2. with the of biotechnology, we have been able to produce better tasting fruits as well as vegetables.2 negatives of biotechnology: 1. biotechnology poses a number of environmental threats. genetically modifies crops often infect monarch butterflies and other insect species.2. viruses could combine with crops.