D. 1,200
This is because if it takes 1 and a half hours **1.5** to travel through city a and city b , and the plane goes 800km per hour and 400km is half of that it then the answer has to be d.
Answer: transpiration
Explanation:
when water leaves from trees or shrubs its called transpiration
The asterioid belt is the answer
Answer:
cells are the smallest unit of life
Explanation:
