1. where are the most massive elements found on the periodic table?
a at the bottom right
b at the top right
c at the top left
d at the bottom left

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.

False, as a substance changes from a solid to a liquid and from a liquid to a gas the molecules get farther apart from each other