Answer: 8.B 9.C 10.D 11.B
Explanation: 12.?
The answer is a carton
of eggs. Other foods rich in omega-6 fats
include vegetables, seeds, and
nuts, and dairy
products. The fats are essential in promoting growth
and also significant in the inflammation process
of the immune system. They should not,
however, be consumed in high amounts.
Physical change only change the appearances of a substance, not it’s chemical composition. Chemical changes cause an entirely new substance with new chemical formula.
Copper deficiency is a rare disease that leads to hematological disorders. It is an essential trace element. It is an essential part of some enzymes (c0-factor) that plays role in cellular respiration. Copper is also an anti-oxidant that scavenges free radicals. In case of cellular respiration copper is responsible for electron transfer of oxygen.