Answer: she wants the water to turn green and green is neutral on the PH scale. If the water is turning acidic she might want to add a bit of baking soda to balance out the acidity with a bit of alkaline. Minerals can balance acid. If the water is too much of a base she may consider adding something a little acidic to balance it.
Explanation: the science of PH balancing
What is one way to classify mud found in an ecosystem?
A) organism
B) population
C) biotic factor
D) abiotic factor
Mud is (D), an abiotic factor on edge.
hard parts are most likely to be preserved
The correct answer would be D. DNA evidence showing it was more closely related to mammals than to other vertebrates <span />