<span>Thermochromic ink is a kind of material that takes advantage of thermochromism. In chemistry, this is where a substance changes hues when exposed varying kinds of temperature. In the fashion industry, these inks are used for creating different kinds of accessories, clothing and bag designs. </span>
Answer:
Glossopteris
Explanation:
Glossopteris is a fossil fern that helped support Wegener's hypothesis.
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Answer:
There are two chloride ions for each calcium ion
Explanation:
The compound has to have an overall neutral charge. Meaning that the positive charges from calcium have to be canceled out by the negative charges of chlorine.
If there are two chloride ions for each calcium ion, the charges would cancel themselves out (2 * -1 would cancel out with +2).
The way most metamorphic rock<span> is formed. Change in </span>rock is the result<span> of metamorphism over a large area. </span>Type of rock<span> texture that </span>results<span> when </span>extreme pressure<span> causes minerals in metamorphic </span>rock<span> to realign, or when minerals separate out into dark and light bands.</span>
