Answer : Aluminum
Explanation : Symbols are the short forms which are used to define an element. The given element has the symbol as 
is Aluminum in +3 oxidation state and is a cation which can donate its 3 electrons to other species.
Therefore, the answer is Aluminum.
I think it's A.
phenotype frequency is the number of individuals in a population that have a specific observable trait or phenotype
I think that one difference between eukaryotic and prokaryotic cells is that eukaryotic cells have membrane enclosed structures called organelles, which are lacking in prokaryotic cells. Eukaryotes can be single-celled or multicellular organisms like human beings, plants, fungi, and insects. Prokaryotes on the other hand include bacteria and archaea, they do not contain a nucleus or any other membrane bound organelles.
It makes sense that increasing the rate of plastics recycling is helpful for eliminating waste. Think about it, when something can be reused, then it should be. Recycling allows this to happen and prevents landfills from being filled too quickly.
