Answer:
Natural disasters are caused due to different reasons like soil erosion, seismic activity, tectonic movements, air pressure, and ocean currents etc. Natural activities taking place in the earth's crust, as well as surface, are the main reasons for these disasters.
All matter whether solid, liquid, gas has a chemical formula or elemental symbol.
Filtration may work, there are many types of filters capable of filtering specific types if compounds.
Answer: Frameshift mutations are due to either insertions or deletions of nucleotides
Explanation: Frameshift mutations result in abnormal protein products with an incorrect amino acid sequence that can be either longer or shorter than the normal protein.
Answer: German scientist Alfred Wegener
Explanation: <em>In the early 1900s, the German scientist Alfred Wegener noticed that the coastlines of Africa and South America looked like they might fit together. He also discovered evidence that the same plant and animal fossils were found along the coasts of these continents, although they were now separated by vast oceans.</em>
