Final answer:
Gas exchange involves oxygen entering the blood and carbon dioxide being expelled due to diffusion. Causes of women's poverty are multi-faceted, including societal norms and educational barriers. The expulsion of a plastic bag from a moving car is caused by air pressure differences.
Step-by-step explanation:
During gas exchange, oxygen flows from the lungs to the bloodstream and is carried to the body's cells, while carbon dioxide produced by cells as a waste product is carried back to the lungs to be expelled. This exchange is driven by a process known as diffusion.
Diffusion occurs because oxygen is at a higher concentration in the lungs than in the blood, and carbon dioxide is at a higher concentration in the blood than in the lungs. Therefore, oxygen diffuses into the blood, and carbon dioxide diffuses into the lung air spaces.
As for the effects of women's poverty, the research highlighted by Mogadham (2005) identifies three main causes which might include societal norms, lack of access to education, and prevailing gender wage gaps. These factors contribute significantly to the overall issue of poverty affecting women in various societies.
In a chemical reaction such as the mixing of vinegar and baking soda, the resultant solution exhibits an initial decrease in pH due to the generation of carbonic acid. However, as the reaction proceeds, the carbonic acid quickly decomposes into carbon dioxide and water, which may result in the pH neutralizing somewhat over time.
The phenomenon of an empty plastic bag flying out of a car window when it is lowered can be explained by physics, specifically Bernoulli's principle and air currents. When the window is open while the car is moving, the air inside the car moves with the car, but the air outside is relatively stationary. Due to the moving car, the air pressure inside the car lowers and the higher pressure outside the car pushes the bag outward.
Grade inflation may occur due to various factors including cultural shifts toward valuing effort over product quality, the pressure on instructors to receive positive course evaluations, and the impact of these evaluations on their compensation and career progression. However, there is ongoing debate and research into whether grade inflation is indeed a significant issue.