Which of the following is not part of daltons atomic theory

Most of the atom's mass and all of its positive charge is contained in a small core called the nucleus.

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.

It is 4.92 e-4 sorry if i am wrong