Select the phrase/connector from the given three options which can be used to form a single sentence from the two sentences given below, implying the same as expressed in the statement sentence.
The last glacial period ended more than 8,000 years ago. Its effects can still be felt today.
1. And its effects
2. Although the last
3. As well as the last glacial
1
Only 1
2
Only 2
3
Only 3
4
Both 1 and 2
5
Both 2 and 3