Scientist uses the Streak Plate to find the color of a mineral in its powdered form.
1,2and,3 those are all the answers
The medulla oblongata detects the levels of oxygen and carbon dioxide concentrations and signals the muscles in the heart, the lungs and diaphragm to increase or decrease thebreathing. The pons controls the speed of inhalation and exhalation orrespiration rate depending on the need of the body.
The answer is A because c doesn’t make sense if it’s vibrating wouldn’t we feel or see it?
They are plants without a vascular system
