Suppose that the expected value of a measurement is 2.0 m.
which of the following sets of measurements is the most accurate?
oa) 1.4 m, 1.6 m, 1.8 m, 2.0 m
ob) 1.6 m, 1.5 m, 1.6 m, 1.6 m
oc) 1.9 m, 2.3 m, 2.2 m, 1.8 m
od) 4.0 m, 3.4 m, 1.0 m, 6.0 m

Always use significant figure rules. remember that these rules apply to all numbers that are measurements. a car travels 6 miles north, 3 miles east, and then 2 miles south. what is the distance traveled? a.7 b.11

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

Achemical that is released by an animal as a signal to other members of the same species is called a pheromone. t or f