Answer: Move substances
Explanation:
The process of diffusion and active transport are some of the process inside the body which helps in transportation of the materials from one place to another.
The substances move a region of higher concentration to lower concentration in case of diffusion and with the help of energy the molecules moves from lower concentration to higher concentration.
The correct answer is option D.
B. have limitations
C. comeplete
D. represent old infortmation
The scientific models always exhibits limitations.
• All the scientific models exhibit limitations as they are not representative of every possible scenario.
• Scientific models are not a substitution for experimentation, they can be used in combination with experimentation to further comprehend a concept, process, or event.
• The scientific models are based on present scientific knowledge and may have to be changed when novel discoveries are made.
Thus, all the scientific models have limitations, the correct answer is option B.
To know more about:
your best answer would be the interior and the sun