<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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Because water molecules are polar(partially negative and postive charge)
Answer:
People giving antibiotics to food animals are required to follow a "withdrawal time" after treatment. The withdrawal time is a waiting period after treatment that gives the animal time to reduce the concentration of the drug in its body, and therefore in the meat (or milk or eggs) the animal produces.
Answer:xylem andvphloem
Explanation
Vascular tissues are conducting vessels in plants.They are complex in structure.
The xylem.conduct water and minerals uphill from the soil to other parts of the plants
The phloem conduct products (nutrients)of photosynthesis ( glucose) down from the leaves to other parts of the plants.