The table shows the hardness of various minerals.
Mineral
Hardness
Alabaster
2.0
Feldspar
6.5
Creedite
4.0
Hematite
5.5
Moissanite
9.3
Mica
2.5
What mineral will scratch Quartz, which has a hardness of 7.0?

Choose the factors that influence the climate of the u. s. northeast. distance from the equator proximity to large urban areas elevation secluded area distance from a large body of water

Which statements describe sustainable development? multiple answer choice -fishing does not remove more fish from water systems than can be replaced by the number of fish that will be born to replace them. -sustainable development is development that is designed to improve the economic conditions in less-developed countries. -sustainable development is mainly a regional issue. -sustainable development means water is used at a rate that won't reduce the amount available for future use. - sustainable development policies only need to be concerned with environmental protection. - trees cannot be cut down faster than the number that will be replaced by new growth.

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation