I think it is sodium good luck! sorry if I’m wrong
The answer is (A) as <span> increasing risk of lung cancer is from increasing levels of exposure to outdoor air pollution and </span>particulate matter
A reflex arc is a neural pathway that controls a reflex. In vertebrates, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord.
Afferent nerve fibers carry signals from the somatic receptors to the posterior horn of the spinal cord or to the brainstem.
plz mark me as brainliest if this helped :)
Answer:
The tissues of a leaf needs to have the ability to resist changes in their natural environment so that they can survive
