I think it’s all of the above because they can all be found in the air and in water sources
Sadly,I only know the answer to # 1.U,Me,and ur friends (or the animals trying to keep their family safe) and we/they are protecting the forest,we can't breath with out trees after all!
If your brainstem is destroyed, the left side of your brain could not control the movements of your right hand.
Brainstem- The brainstem is the region at the base of the brain that is located between the cervical spinal cord and the deep cerebral hemispheres. It plays a crucial role in controlling some involuntary bodily functions like breathing and heartbeat.
Spinal cord- A column of nerve fibers that extends from the skull base to the middle of the back. It has three thin membrane-like layers of protecting tissue covering it. The vertebrae encircle the spinal cord and its surrounding membranes (back bones).
To know more about the Brainstem, click on the below link,
brainly.com/question/5351789
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It is Nucleic Acids, they consist of long chains of units like the proteins, but still both are different.