Question 13.Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the Earth's atmosphere?*
A. nitrogen and carbon dioxide
B. water vapor and carbon dioxide
O C. ozone and oxygen
O D. oxygen and nitrogen

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