Answer
![--------------------------------------------](https://tex.z-dn.net/?f=--------------------------------------------)
<u>Landslide</u> - <em>According to Microsoft Dictionary, a landslide is the sliding down of a mass of earth or rock from a mountain or cliff.</em>
![--------------------------------------------](https://tex.z-dn.net/?f=--------------------------------------------)
<u>Lahar</u> - <em>According to Microsoft Dictionary, a lahar is a destructive mudflow on the slopes of a volcano.</em>
![--------------------------------------------](https://tex.z-dn.net/?f=--------------------------------------------)
<u>Creep</u> - <em>According to Britannica, a creep is a deformation and flow, in physics, alteration in shape or size of a body under the influence of mechanical forces. Flow is a change in deformation that continues as long as the force is applied.</em>
![--------------------------------------------](https://tex.z-dn.net/?f=--------------------------------------------)
<u>Mudflow</u> - <em>According to Microsoft Dictionary, a mudflow is a fluid or hardened stream or avalanche of mud.</em>
![--------------------------------------------](https://tex.z-dn.net/?f=--------------------------------------------)
<em>Hope this helps! <3</em>
![--------------------------------------------](https://tex.z-dn.net/?f=--------------------------------------------)
Sickle-cell anemia is caused by a point mutation in the β-globin chain of hemoglobin, causing the hydrophilic amino acid glutamic acid to be replaced with the hydrophobic<span> amino acid valine at the sixth position.</span>