Answer: The answer is A. Comparative
Explanation: The photo shows two different types of soil with the same type of worm. Therefore this it a comparative experiment. Trust me I got this question correct.
Answer:
The process is called reabsorption.
The substances that are returned are glucose, amino acids, water and salt. Hope this helped
Answer:
Noble Gases.
Explanation:
The reason why I say this is due to them having eight valence electrons, their outer energy levels are full.
A. Is the correct answer :)