What is the connection between the circulatory system and the respiratory system?

Oxygen

Explanation:

The circulatory system gets oxygen from the respriatory system and circulates it throughout the body.

circulatory and respiratory system work together

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.

answer; hydrologic cycle;