Answer:
Eons, Eras, Periods, Epochs.
Explanation:
Gestational age can also be estimated by measuring the fundal height. This is done by measuring from the pubic bone to the top of the uterus. The measurement in centimeters roughly equal to the gestational age in weeks from the last menstruation.
Since you are trying to investigate the possible variables that contribute to reef threats, it is advisable that you do an environmental study between two reefs that have characteristics that are similar or are closely similar. With this, you will be able to identify which is the primary cause of reef threats. Thus the correct answer is B.
I believe only rats/mice can eat chocolate... and well humans
