Answer:
Its D- Weather is a highly complicated system that is very difficult to predict.
Explanation:
Weather has a pattern so A is not the answer and no way Meteorologists would keep information to themselves so not B and lastly it's not impossible but just very hard so C is out, which leaves D.
Answer: you can measure in metric
Explanation:
here is a file
The heart, it pumps blood and oxygen all over your body
The second and fourth answer. :)
