The seafloorspreads at a rateof approximantly 10 cm per year if you were to collect data of the spread of the seafloor each week what unit would you use to record it. Explain

10 cm in 50 or so weeks is 0.2 cm per week so you could use mm

then the measuremet would be about 2 mm per week.

Step-by-step explanation:

The seafloor spreads 10 cm per year, which is less than 1 cm per month.  Data will be collected each week, so it makes the  most sense to measure the spread with a unit like millimeters.

Step-by-step explanation:

18

step-by-step explanation:

ik this stuph and i am smart donkey

b is 38 degrees.

a is 52 degrees.

this is because if b is 38 and a is 14 degrees more than b than 38+14=52 and 52+38=90 degrees. hope this .