asked 70.9k views
0 votes
What effect do calcium ions have on the water in ecosystems?

A. They reduce its pH.
B. They decrease its salinity.
C. They add to its hardness.
D. They increase its acidity.

2 Answers

2 votes

Answer:

They add to its hardness (Apex)

Step-by-step explanation:

answered
User Sofox
by
8.2k points
3 votes
I believe it is C.They add to its hardness.
answered
User Batia
by
8.8k points
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