What is the concentration of an aqueous solution that contains 1.5 moles of NaCl in 200 milliliters of this solution? A) 0.30 M C)7.5M
B)3.0M D) 0.75M

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.

Because a model would make the investigation easier to understand