A student constructs several terrariums to grow plants. Each terrarium is exposed to a different amount of
sunlight each day. In order to determine the ideal
amount of sunlight, which of the following variables
must be held constant?

A. growth rate
B. amount of sunlight received
C. type of plant

Predict the relative bond lengths of the three carbon-oxygen bonds in the carbonate ion (co2−3). what would you expect the charge to be on each oxygen? match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.