A gas occupies 210 mL at -73°C. To have the same gas occupy 360 mL: Should the temperature be increased or decreased?

What is the new temperature?

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.

Sorry i dont understand the question can you rephase it?

Not a  mixture of two common elements that can be separated by physical means.