The answer would be c. plant trees around farmland. This is because the trees will protect the soil from being affected by the wind.
Answer:
why are these same questions its earth and people i think
I studied this before and I'm pretty sure it's D (sorry if I'm wrong)
The answers are;
The muscular contractions are wave-like
The muscular contractions are entirely involuntary
This action is called peristalsis.
It is powered by the expansion and contraction of the smooth muscles present in the esophagus. It is controlled by the sympathetic activity of the autonomic nervous system hence
the movements are involuntary.
Answer:
increases
due to the relationship with preasure and temperature and volume
