C they want to keep the air cleaner so they will make it more efficient.
Answer:
Explanation:
They are similar to Earth. All are solid, dense, and rocky. None of the inner planets has rings. Compared to the outer planets, the inner planets are small
Answer:
Mexico
Explanation:
Mexico was once home to the Maya and Aztec civilizations. The civilization quite flourished before the arrival of Spanish. The Maya civilization includes regions that spread from northern Mexico southwards into Central America.
The culture is notable for its pyramids, agriculture, and symbols.
The Aztecs civilization was part of Central Mexico, which was rich in cultural heritage. Their capital was Tenochtitlan (modern-day Mexico City).
<span> rugged terrain
transportation
difficulties
I hope I help </span>