PLS help me Finding the Epicenter
Find the length of the radius of each circle. To calculate the radius, divide the distance from the epicenter by 640 km.

(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. the following chemical equation shows the combustion of ethane. balance the equation by filling in the coefficients. c2h6 + o2 → co2 + h2o

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?