The correct answer should be additionally.
The word additionally would provide the best transition between these two sentence. It is so because you have one idea in the first sentence, and then you want to show another idea very similar to the first one in the second sentence. Using additionally to convey that is the way to go.
A powerful call to action focusing on themes of hope, unity, healing, and resilience. In this Teaching Idea, students reflect on these themes and consider how their own unique experiences and voices can help America “forge a union with purpose.”
Exercise 1:
an ocean
a pebble
an insect
a bug
a web
an archaeologist
an eagle
a geologist
a fossil
an ancient fossil
You only change "a" to "an" when the next word starts with a vowel.
Answer: "With each hour-and-a-half orbit of Earth, Glenn watched the sun rise and set. "Five hours and 81,000 miles after he had taken off, John Glenn splashed down to a welcome..."
