Aseptic technique is used to prevent microorganism to infect our body
One of the example of using aseptic technique is : wearing protective gloves when transferring bacteria an fungi to slides.
This action prevent those bacteria or fungi from transferring to our skin
hope this helps
The greenhouse effect traps heat near the surface and raises the temperature, just like a blanket. :)
It should be a food web, because there are various producers and consumers, and the bears and humans eat each other