*please be serious *
How does digestion and transport interact to keep and organism alive ?

Explanation:

Digestion breaks down the food or nutrients taken in by the organism into a form of energy that is then transported to areas of the organism where it is needed. Along with transporting the waste to exit the organsim because the waste is no longer needed as digestion has extracted its nutrients.

answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

: )

oxygen, selenium, tellurium, and polonium.

they're all from the same group as sulfur (group 16).