If we put a plastic bag over a branch of a tree, it should fill with the water vapor that the tree is releasing. If there is enough water vapor in the bag, it will condense into the liquid form of water, and we will be able to see it.
Answer:
A. They are ductile and malleable
Explanation:
Although they have luster/shine they can be be dissolved in water and in acid so it can not be all of the above. They are malleable so they can be easily be made into jewelry.
Sweating because sweating releases excess heat from the body.
Answer:
Sickle cell anaemia is a generic disorder which affects the red blood cells. The red blood cells assumes a sickle shape and contains lesser amount of the protein hemoglobin. Hemoglobin helps in the necessary transport of oxygen to other parts of the body.
The sickle cell allele is known to be advantageous to mainly people who stay in developing/underdeveloped counties who malaria endemic . People with the sickle cell allele have a higher chance of survival against malaria than people without this allele.
In modern countries malaria isn’t prevalent there due to the lack of vectors, poverty and environmental conditions which tends to support the survival of the mosquito. This means the sickle cell allele isn’t advantageous in this region.
