Answer: You can clean the water pollution by the water bottle activity.
Explanation:
You can do the water bottle filteration. From your house, you should find a large soda bottle or water bottle. YOu layer it with sand and gravel at the bottom. Line the top of the bottle with a coffee filter. This will allow for a natural filtration system.
You can find this on many science experiments websites because it is a common science fair project.
Search tool would be: homemade water filter
Answer:
The percentage of people carrying sickle cell gene increases.
Explanation:
People carrying the Sickle Cell gene have low chance of Malaria because the sickle cell enables the body to detoxify abnormal red blood cells from the body. When the malarial parasite attacks on the cells of the body, the molecular machinery for cleaning up the waste is already present in the body. Those places where malaria is common, the people having sickle cell because the sickle cell show resistance against malarial disease.
Boiling Liquids. Boiling uses heat to change a liquid to a gas. ...
Clouding and Condensation. Clouding occurs when a substance condenses from a gaseous state to a liquid state. ...
Dissolution or Dissolving. ...
Freezing or Solidification. ...
The rope will go towards the girls due to the fact that they are pulling harder than the boys. They are either some strong girls or just smart like the ones in Squid Game.
