Answer: When you mix sand and water there are no reactions. The sand sits at the bottom of the water because the sand is heavier than the water is.
Answer:
hydrogen
Explanation:
the more hydrogen ions then lower the ph and the fewer hydrogen lions the higher the ph.
Answer:
D
Explanation:
All of the above are parts of the climate that could be subject to change.
Answer:
A there needs to be a producer, consumer, and predator, and decomposer.
I hope this helped!!
