1) The Atlantic Ocean is the second-largest ocean and is known for its strong ocean currents, including the Gulf Stream.

2) The push for racial and social justice has led to discussions and actions to address systemic racism, promote inclusivity, and challenge inequalities in various areas, including education, criminal justice, and economic opportunities.

3) The Amazon rainforest produces more than 20% of the world's oxygen.

4) The word "yesterday" contains three vowels: E, A, and A.