Answer:
Requires additional labor
Explanation:
The pros are the positive points and cos are the negative points.
Cons of recycling bottle
Cons of recycling bottle will include all those factors which are affecting the nature or cost in some or the other way.
Out of all the given options, requires additional labor is a negative point as it points out the limitation of recycling of plastic. Plastic cannot be recycled if it requires extensively large labor force. Also large labor force will lead to higher cost.
Rest all other option are in support to the practice of plastic recycling.
Answer:
Do honeyguides in different areas of the world have a similar symbiosis with humans?
How old are the birds when they learn to respond to the humans’ calls?
Could other birds in the region form a similar symbiosis with humans?
Explanation:
The dependent variable in an experiment could be formally called the cause while the independent could be called the effect.
