Answer:
The function of the pleura is to allow optimal expansion and contraction of the lungs during breathing. The pleural fluid acts as a lubricant, allowing the parietal and visceral pleura to glide over each other friction free. This fluid is produced by the pleural layers themselves.
Opium is the addictive drug that stop natural endorphins produced. This depressant/narcotic made from the opium
poppy that has pain-relieving and euphoria inducing properties and is highly
addictive, Mimics endorphins and causes body to stop producing endorphins. Endorphins, the neurotransmitters that
naturally deaden pain sensations. Slow down the nervous system and mixing with
other depressants like alcohol can be deadly. Derived from opium.
Choice answer D because it is fully correct
Answer:
D. Populations are greater in fertile areas that are close to freshwater sources, which is why more people live near rivers.
Explanation:
Population is greatly depend on the availability of water. Those areas are densely populated areas where water is present in sufficient quantity as compared to those areas have low population density where water is in low amount. The main reason is that water plays a vital role in our daily life which is used almost in every aspects of life. We can see that deserts have less population due to less water availability and areas attached to the rivers are densely populated due to more water availability.
Answer:
The answer is A.
Explanation:
Chloroplasts are organelles within cells that help perform photosynthesis. Photosynthesis is the process of creating food + energy for the plant.
