What is a similarity between the respiratory and excretory systems? A They both break down food.
B They both remove waste from the body.
C They both exchange gases within the body.
D They both transport nutrients throughout the body.

Nonmetal halogen family atmoic mass 35

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon