Answer:
relay switch
Explanation:
relay switch is the answer
Answer: Money
Explanation:
Both money and energy are part of a cycle.
What does this mean?
Energy is not created nor destroyed, it is transformed into other forms of energy (for example: thermal energy, acoustic energy, kinetic energy, among others). Something similar happens with the flow of money in economic transactions, in which <u>money is exchanged for products, work or services and continues its flow in the market.</u>
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Therefore, energy is a physical quantity with properties somewhat similar to <u>money</u>.
Answer:
b. Astronomers create mathematical models that use the laws of physics, the Sun's observed composition and mass, and computers to predict internal conditions.
d. By measuring Doppler shifts, we observe vibrations of the Sun's surface that are created deep within the Sun.
Explanation:
We know what goes on under the surface of the Sun by doing the followings;
i. By measuring Doppler shifts, we observe vibrations of the Sun's surface that are created deep within the Sun.
ii. Astronomers create mathematical models that use the laws of physics, the Sun's observed composition and mass, and computers to predict internal conditions.
