The answer to the given question above is BUILD IN REDUNDANCY. From the term itself "redundancy", notice that Sheena is repeating the same information about Marie Curie in all parts of her speech. From the introduction, to the internal summary and transition, up to the conclusion. In this way, audience would easily recall or remember the highlighted information about the topic.
Answer:
Lincoln cited his presidential role as Commander in Chief to issue the emancipation proclamation
Answer: the four terrestrial planets must once have been hot enough to be molten (like a liquid)
Explanation: Terrestrial planets can be defined as any planet of the solar system or any exoplanet which is "Earth-like" in the sense that it is composed primarily of metals and rock, in contrast to a planet which is a gas giant.
Within the Solar System, the terrestrial planets are the inner planets closest to the Sun, i.e. Mercury, Venus, Earth, and Mars.
Scientist believing that the densest, heaviest materials are at the center and not evenly distributed can be due to the fact that they must once have been hot enough to be molten. In this case, density will take place, making the heavier under and the lighter on top.
Where is the map the map will be useful