Normal rain has a pH between 5.0 and 5.5. The typical pH value for acid rain (when checked online) is 4.0.
Answer:Observable properties are characteristics or things about materials or objects that we can describe using our five senses. Color, texture, hardness, and flexibility are all things we can determine with our senses.
Explanation:
<span>Water molecules have a lower
boiling temperature than oxygen molecules, so at room temperature they
exist as a liquid rather than a gas.
hope it helps
</span>
The answer is d for the answer
Answer:
it went under the process known as crystalization
Explanation:
am a chemist
