Becky's speed is her distance travelled which is 30 km divided by her time travelled of 2.5 hours which gives her average speed of 12 km/hour which is a quite good speed if she was say riding a bicycle and which would give her a good aerobic workout.
Answer:
physical
Explanation:
it is physical because you add another chemical to the sodium
Answer:
Tornado
Explanation:
This is because, tornados are heavy constant winds that are blowing around all over causing an unstable atmosphere. Sometimes the weather will change drastically like causing hail, and cold fronts moving in. This is exactly what matches the conditions you show! :)
Hope this helps! Please mark as brainliest!
Answer: Sorry I can't read it
:(
Explanation: