The chronometer is a device to measure time in a period of time, therefore not a correct answer.
Answer:
A
Explanation:
The other options would still produce co2.
1. A, 2. Is B or C, 3.C, 4.B, 5.A, 6.C, 7.A- thats all i know
Mountains are cooler than valleys cause of height, then oceans cool nearby land when it's warmer
