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

Which process collects sample soils from particular areas of a site? a.) repetitive sampling b.) restorative sampling c.) random sampling d.) representative sampling

Which statements describe characteristics of mdcs? higher standard of living increased agricultural focus more access to health care more access to transportation and communication more industry reduced educational opportunities shorter life expectancy

Select the correct answer.look at this nineteenth-century illustration of london. which explanation best relates this illustration to changes in britain in the 1800s? a.factory workers in cities lost their livelihood because of the lack of housingb.industrialization narrowed the inccome gap between landowners and workers.c.the migration of workers from rural to urban areas resulted in overcrowded citiesd.the spread of railways allowed farmers to sell produce far from where it was grown.