A scientist investigated the effects of morning temperatures on flower width. Which most likely could have been a source of error in his investigation? The distance calipers were recalibrated before each data collection session. The control group flowers were a day older than the experimental group flowers. The measurement units were not converted during the data analysis phase. The flower width data were collected at about the same time every day.

The control group flowers were a day older than the experimental group flowers.

Explanation:

Edgenuity

A scientist investigated the effects of morning temperatures on flower width. Which most likely could have been a source of error in his investigation? The distance calipers were recalibrated before each data collection session. The control group flowers were a day older than the experimental group flower

Explanation:

it's so easy by thinking it out bruh.

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.