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.
Curiosity I could be a good reason
Explanation:
Exposition-an author is attempting to explain or inform the reader of something. The main purpose is to provide details and information that help the reader to understand the topic.
Answer:
less developed countries
Explanation:
The less developed countries, in general, tend to be underutilizing or misusing their resources. There's several reasons for this. The low level of industrialization is one of the reasons, with the industry being dependent on older technology that is not very efficient, and large portion of the resources used are not used to their full potential. Also, these countries are very poor, so more often then not the ways used in order to get some profit and economic development are not well thought off and often cause lot of damage. Lot of natural resources are not even used, and it is very common that corrupt politicians will sell the nation's natural resources to foreign investors, thus giving them all the benefit for the foreseeable future, while they will buy the end product from them and spend much more.
