Helium makes very light than hydrogen
Answer:
Being taller would give them the advantage of eating leaves off trees that other herbivores couldn't reach.
Explanation:
trust
Answer:
The photobiont supplies the association organic carbon from photosynthesis, and the mycobiont ensures protection and regulates the supply of minerals and water. The nutritional exchange between partners is probably much more complex than exchange of water and minerals for organic carbon. Thus, the correct answer is option B.
