Which statement describes a common measurement error?
a) a flaw in the design of an experiment
b) using inconsistent methods for collecting data
c) using instruments that have not been calibrated
d)selecting experimental subjects in a way that is biase

Describe how an electric generator works

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

When plants use sunlight to make food, the energy of sunlight is