Answer:
6 columns/items
Explanation:
<em>grid</em> starts off as an empty list ( [ ] ), so right now it has 0 items/columns.
After that, 3 new items ("frog", "cat", "hedgehog") have been appended to <em>grid</em>, it now has 3 items
Finally another 3 items are appended to <em>grid ("fish", "emu", "rooster"</em>), finally <em>grid</em> ends up with 6 items in total.
The effectiveness of using thicker bags are:
- It has the lowest environmental impact in terms of any other disposable bag.
- It can be used three to six more times.
- It is environmentally sustainable.
<h3>What is the effect of thicker plastic bags have on the environment?</h3>
The use of plastic bags is known to have some form of detrimental effects on the such as animal choking, pollution, and others.
Conclusively, Note that thicker bags needs a lot of plastic to be able to produce it and it goes to waste even if a person do not use it again.
Learn more about environment from
brainly.com/question/17413226
Correctness is key. The other ones are optimizations at most. Although I would always include humor... ;-)