The answer is quartz where the hardness is 7.
Can scratch glass easily. This is where most granites are rated in terms of hardness
Answer:
atom
Explanation:
look on the periodic table
Geosphere >> Which is Earth's entire solid body..
Hydrosphere >> Which is all the "liquid" water on Earth..
Atmosphere >> Which is the few layers of "gasses" that are surrounding Earth..
Cryosphere >> Which is all the "frozen" water on Earth..
Biosphere >> Us! All the living organisms on Earth..
Question:
<u>1.) How do plant scientists hope to improve plant processes?</u>
Answer:
<u>January 2, 2012. Plant scientists long have known they can alter crops genetically to improve performance; they've been doing it thousands of years.</u>
Question:
<u>2.) How could you find out which resources are the most important for a plant to grow?</u>
Answer:
<u>Three elements, carbon, oxygen and hydrogen, are essential to plant growth and are supplied by air and wa</u><u>ter.</u>
Hope it helps (^^)
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