What is the ratio of 15 minutes to 2 hours​

Which organelle releases chemicals that break down large food particles into smaller ones?

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

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