Correlation alone causation A. proves B. complicates C. Disproves D. does not prove

The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.

The illuminance of a surface varies inversely with the square of its distance from the light source. if the illuminance of a surface is 120 lumens per square meter when its distance from a certain light source is 6 meters, by how many meters should the distance of the surface from the source be increased to reduce its illuminance to 30 lumens per square meter?