B because if its unneccsary they dont put it in models
Pi Day is observed on March 14 (3/14 in the month/day format) since 3, 1, and 4 are the first three significant digits of π. In 2009, the United States House of Representatives supported the designation of Pi Day.
Answer:
True.
Explanation:
The curiosity rover is still exploring + investigating because it is built to explore and find ancient life in Mars. The rover is still active.
<span>They encouraged innovation in technology and agricultural... Along with supporting the trading system.
I hope this helps!</span>