In this investigation, you will draw a model of the solar system and answer questions about it. To model the solar system, you will use mathematical practices, such as scaling and proportions. You will need a metric ruler for this activity.

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis