What is the porosity of the silt sample? (the sediment volume for each sample is 400ml.)
a.
25.5%
b.
39.75%
c.
45%
d.
53%

Which of the following shows the correct order in which light information travels through the eye? (2 points) lens, pupil, retina, optic nerve pupil, lens, retina, optic nerve pupil, lens, optic nerve, retina lens, pupil, optic nerve, retina

Isotopes of the same element have differ in their

How does photosynthesis show the conservation of mass and energy?