A spectroscope
Explanation:
The color of the light emitted by her flashlight can best be studied using a spectroscope.
Spectroscope is an instrument used to observe the light emitted by a substance.
Just like a prism, it splits up light using its different wavelengths.
The light entering the scope is split into its different component parts.
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Answer: Option B
Explanation:
Involuntary functions of the body system; processes taking place in the body that is done without conscious efforts such as digestion, bloodflow, the heartbeat are controlled by the autonomic nervous system which is a part of the peripheral nervous system.
Figure 1.1 shows its four main stages:gap 1, synthesis, gap 2, and mitosis.Gap 1, synthesis, and gap 2 together make up what is called interphase. The stages of the cell cycle get their names from early studies of cell division. ... They also carry out cell-specific functions in G1 and G2.
Your answer is going to be A. Excretory.