explain the significance of standard error among 2 different sets of data with different sample sizes that have the same mean

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."