<span><span>1 Corundum
</span><span>2 Topaz
</span><span>3 Quartz
4 </span><span>Orthoclase
</span><span>5 Apatite
6 </span><span>Fluorite
7 </span><span>Calcite
8 </span><span>Gypsum
</span><span>9 Talc
Are all answers to what diamond on a scale of minerals can scratch.
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Answer:
Cold water can hold more dissolved oxygen than warm water. In winter and early spring, when the water temperature is low, the dissolved oxygen concentration is high. In summer and fall, when the water temperature is high, the dissolved-oxygen concentration is often lower.
Explanation:
On the islands of the Galapagos lives a group of birds called finches. There are 13 species in this group. These species have diverse ecologies--some eat seeds, some eat insects, some eat fruit, and some even eat cactus. Although the bodies of these species look fairly similar, their beaks are very different. That is because it is their beak that is adapted to these diverse ways of feeding (Figure 8.14).
The horsehoe crab because it was one of the first animals to ever live on earth
