Answer: 4. formal operational thought.
Explanation:
The formal operational thought is the ability of the mind to develop a hypothesis and systematically test the hypothesis to arrive at a correct answer to the problem. The development of this kind of thought process begins at the age of eleven that is in the adolescence age. The skills that include in the thought process are deductive, logical reasoning and systematic planning.
<span>Is a single sugar polysaccharide?
<span>complex sugar</span></span>
Try to cheer her up with some things she enjoys. Hope this helps!
Explanation:
Each hemoglobin molecule is made up of four heme groups surrounding a globin group, forming a tetrahedral structure. ... There are four iron atoms in each molecule of hemoglobin, which accordingly can bind four atoms of oxygen. Globin consists of two linked pairs of polypeptide chains.
Eating food with the proper nutrients since it would strengthen the body's immune system.