Mikayla stands on a beach and sees a sailboat in the ocean. How could Mikayla determine whether the sailboat is moving? A.
by determining the weight of the boat

B.
by examining the height of the ocean waves

C.
by comparing the wind speed at the beach to the number of ocean waves

D.
by using a reference point to measure the change in the boat’s position over time

By using reference point (starting point) to measure the change in boat's position over time. Not 100% sure

Explanation:

Pls mark brainliest

the correct name for the n3 ion is azide. azide is a polyatomic anion with a -1 charge and is written as n3 -1. it consists of three nitrogen atoms bonded together. hope i . let me know if you need anything else.

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