Are there any substances that we classify as acids that do not contain any hydrogen atoms? yes or no

Which is a characteristic of mixtures?

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.