Answer:
so many processes requires oxygen to operate .
An example is the process of plants making their own food .
The kidneys ureters, bladder, and urethra make up the urinary system. They all work together to filter, store and remove liquid waste for your body. Hope this helps have a great day
The answer is two double bonds
If they’re separated by only one single bond there said to be contracted
Can we have a picture of what u need
