Answer:
I think it's commensalism
Explanation:
B. A mole is the molar mass in 1 liter. So 2 m needs 2 moles in 1 liter.
Answer: Option (b) is correct.
Explanation:
During extreme dry periods, there will be either very less availability of water or no water at all.
Hence, the tortoises avoid excretion as a watery waste at any time because they are not getting enough water from their surroundings.
Thus, at this period of time the waste eliminates as a white paste.
Therefore, during extreme dry periods tortoises will eliminate waste as a white paste.
An acidic solution would turn a blue litmus paper red due to the mobile and free hydrogen (H+) ions. These hydrogen ions affect the colour property of the litmus papers and thus the colour change. A litmus paper dropped into a solution of hydrogen ions turns red to indicate that the solution is acidic.
