Professionals can learn what size, and what kind of shoe it is(i.e. high-heels). Also, if the particular person walks with a limp or where ths shoe is mostly worn at.
You Can Learn About The Stars
to regard with attention, especially so as to see or learn something
There is no wind, and barely any gravity so the footprints will stay on the moon for yyyyyeeeeaaaarrrrrrsssss.
the guy who left his footprints in the sky, left his mark
Footprints in the moons surface (so in the dust lying on the moon) will never go away because there is no wind on the moon to blow new dust over the footprints.
You Can Learn About The Stars
By observing it
you can learn responsibility and learn to be mature and you will also learn from there mistakes.
To learn about the bacteria you are incubating by observing or experimenting.
By observing others.
It learns by observing the inhabitants of the cottage.
By observing nature's resources and listening to their parents or relatives
when observing the F1 generation of a monohybrid cross
to regard with attention, especially so as to see or learn something
He was observing cork slices under the microscope.
Observing, Inferring, Predicting.
yup! they do. they do what they see.. b'cuz the observing, and then copying skills of children is very good, specially in their growing ages.