10. a seismic wave velocity of 4 km/sec is determined for a rock. by using the two graphs below relating rebound number (r) to seismic velocity (v) and unconfined compressive stress (ucs), we find that the ucs of this rock is about blast 30 30 zone 40 80 120 60200 240 ucs (mn/m2 45 n/m2 85 n/m2 125 n/m2 165n/m2

Gemstones are commonly found in pegmatites, which are igneous rocks that are a. exceptionally mafic b. exceptionally coarse grained c. exceptionally fine grained d. extrusive, forming from lava

Read the following quote from the nature conservancy, “the 3 billion people who live in poverty around the world will be hardest hit by climate change. the poor are more dependent on natural resources and have less of an ability to adapt to a changing climate. diseases, declining crop yields, and natural disasters are just a few of the impacts of climate change that could devastate the world’s most vulnerable communities.” from this quote, what group of people is most vulnerable to climate change? those who depend on industrialized nations people who are able to adapt to changing conditions people living in central america people who are living in poverty

What two advantages do the coastal countries of west africa have over the sahel countriesfertile soil and mineral resources temperatures and terrain human resources and natural resources weather patterns and location