A(n) experiment is designed well, with proper controls and variables, and is carried out using accurate and reliable methods. A) accurate B) easy C) proper D) valid

Which of the rock examples below is most likely to be metamorphic

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

Northern switzerland has a fairly cold climate caused by sea winds from the atlantic ocean but souther switzerland tends to be much warmer and sunnier, what could cause this difference?