False. The water would be toxic without purifying it before drinking.
Answer:
A: Estuaries provide a nursery grounds for oceanic organisms
Explanation:
the estuaries provide Ov2 and HvO2 for these organism
An anion is a negatively charged ion. An element can become an anion if it takes an extra electron such that it has one more electron than protons.
Atoms would preferentially taken an extra electron so that it can have a full octet and be more stable.

are some of the few elements that would have a -1 charge.
Answer: A. Refrigerator technology has helped improve people’s nutrition.
Explanation: