Why does atumn start in diffrent months of the year in north america and south america

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

How much energy is made when a pice of wood burns. how do you know

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.