Answer:
Radio waves, microwaves, infrared and visible light can all be used for communication.
Cells that do a similar activity join together to shape body tissue, for example, muscle, skin, or bone tissue. Gatherings of various kinds of cells make up the organs in your body, for example, your heart, liver, or lungs. Every organ has own must do, however all organs cooperate to keep up your body.
Answer:
ABO Typing
Explanation:
The test to determine your blood group is called ABO typing.
I think the answer is dependent variable.
