Answer:
B. Northern Canada
Explanation:
A continental polar air mass can form over the land during the winter months. In the Northern Hemisphere, it originates in northern Canada or Alaska. As it moves southward, it brings dry weather conditions to the United States. Temperature and humidity levels are both low. Hope this helps :)
Answer:
I believe the answer is C
Explanation:
because centripetal force is generally assosiated with rotation and how fast something spins
Formula for potassium dichromate is
K2Cr2O7
