<span>Sicle cell disease is disadvantageous in any continent. However in Central Africa ,where there is a lack of care for health and modernizaition, it will be too hard for a person to heal someone with sickle cell disease. The country is struggling with their sanity having a sickle cell disease will be difficult for them to find a donor who is healthy enough to donate blood.</span>
The most <span>likely cause of the differences in the students’ results would be that their test subjects were different people. In science it is very important to have the constants in the experiment remain the same. </span>
Answer:
Darwinism is a theory of biological evolution developed by the English naturalist Charles Darwin (1809–1882) and others, stating that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce.
Explanation:
The answer would be car tired break up the ground, causing increased erosion. Rubber in a tire form can not get plants sick(unless it is carrying a disease), plants are used to dappled sunlight so that wouldn’t be a problem, increased fuel usage may be true however it is no concern to the park rangers