Answer:
Earth's day and night.
Explanation:
If Luis has stuck a toothpick vertically through the center of the Earth model and then used a flashlight to shine light on part of the earth while spinning the model Earth, he is most likely trying to model Earth's day and night.
Earth's day and night occurs because of its rotational phenomenon. As it rotates around its axis, the part facing the Sun is the daytime while the part of Earth that does not face the Sun is the nighttime.
"The Bantu peoples are the speakers of Bantu languages, comprising several hundred ethnic groups in sub-Saharan Africa, spread over a vast area from Central Africa across the African Great Lakes to Southern Africa." according to Wikipedia
Answer: The imaging technique that will allow her to engage in this type of research is PET scan (positron-emission imaging)
Lafayette, was a French aristocrat and military officer who fought in the American Revolutionary war and Von Steuben is was a Prussian and American military officer. and their accomplishments where the French Revolution of 1789 and the July Revolution of 1830 this is for lafayette and steubens accomplishments were<span>He served as inspector general and major general of the Continental Army during the American Revolutionary War. He is credited with being one of the fathers of the Continental Army in teaching them the essentials of military drills, tactics, and disciplines. He wrote Regulations for the Order and Discipline of the Troops of the United States, the book that served as the standard United States drill manual until the War of 1812. He served as General George Washington's chief of staff in the final years of the war hope this helps:)</span>
