Questions

Ans.  CP of mixture = {(40*3+60*2)/2+3} = 48 SP of the mixture = 1.1 48 =52.8

The air around us is a mixture of gases, mainly nitrogen and oxygen, but containing much smaller amounts of water and other gases.

Earth's atmosphere is composed of many gases. Their percentages by volume is given by::

 
78% Nitrogen,

21% Oxygen,

0.9% Argon, and

0.03% Carbon dioxide 

And very small percentages of other elements.

Haemoglobin is a protein what carries oxygen in the blood and contains iron metal in it.

Enumerate specific powers granted to the president, which include the authority to appoint judges, ambassadors, and other high-ranking government officials.

Both options (A & B), summarizes a result of the protestant reformation.

The Protestant Reformation was a major 16th century European movement aimed initially at reforming the beliefs and practices of the Roman Catholic Church.