Answer: I don't have a definitive answer for this question but I do have a helpful explanation.
Explanation: Try to find out what each letter means and organize the elements by how they connect to each other. If you don't know you can research to find a diagram that can help show you how to connect these functional elements. You could try searching how do you find the elements of HOH in a diagram.
<span>George Simmel was a pioneer in sociological studies due to the fact that he developed the concept of the sociological imagination, and believed that societies can be understood through an empirical scientific approach known as positivism which is still used in research today.</span>
Spread of disease is density dependent because it is more severe the greater the population density as the disease would spread more easily. If there is low population density it would spread slower.
Answer:
A was the answer to mine but u didn't post your diagram so I don't know
Explanation:
the first answer as blood needs to be oxygenated to be passes round the body then when its deoxgenated it will return to the heart to be pumped around the body again