a because after 2 you need a camma and also you dont need a comma after 2010
It would be A and D since confident and graceful describe the dancers
1. the fastest
2. the slowest
3. 1 foot
4. the longest
5. 5mph slower
6. the highest
7. 18 years longer
8. 1 fph faster
9. The Zebra runs 9mph faster than the Giraffe.
10. A Pearl Mussel lives 50 years longer than a Lobster.
Answer:
Key phrasing is when you are searching something with a specific phrase on an internet. For example, if you want to find a chocolate chip cookies recipe, your key phrase might be "chocolate chip cookie recipe.".
Explanation: