Answer:
Search the the periodic table for more info
Explanation:
Metals are, well, metals. Examples are Iron, Copper, and Aluminum.
Non Metals are simple; they are not metals
Metalloids are complex to define, so I will let the Oxford Dictionary explain for me;
an element whose properties are intermediate between those of metals and solid nonmetals or semiconductors.
(the oxford dictionary)
What portion of a pre-mRNA molecule may be cut to be discarded?
ans:- In eukaryote cells the primary transcript (pre-mRNA) is processed. One or more sequences (introns) are cut out.
Answer:
Aldosterone release is stimulated by a decrease in blood sodium levels, blood volume, or blood pressure, or an increase in blood potassium levels. It also prevents the loss of Na+ from sweat, saliva, and gastric juice.
Explanation:
C. Hardness is the answer