To most geologists, the term "acid test" means placing a drop of dilute (5% to 10%) hydrochloric acid on a rock or mineral and watching for bubbles of carbon<span> dioxide gas to be released. The bubbles signal the presence of carbonate minerals such as</span>calcite<span>, </span>dolomite<span>, or one of the minerals listed in Table 1.</span>
Answer: An alloy is made up of two kinds of metals. This alloy is uniform in appearance. This material would be classified as a homogeneous mixture
To find food. echolocation is when a sound bounces off of something and they can tell what direction it came from.