Answer:
a has a faster period
Explanation:
Period only depends on the length, irrelevant to the mass.
a has a shorter length, so has a small period, or faster.
Nebulae formed about 109 years after hydrogen and helium formed, which is the statement that most accurately sums up Kathy's mistake. The third option is the best answer.
<h3>What is the universe?</h3>
The entire cosmic system of matter and energy is the universe. The universe is made up of the Earth, the Sun, the Moon, the planets, the stars, as well as dust, gases, and rocks.
As given in the problem Kathy drew a timeline to show some of the major events that occurred during the evolution of the universe. a timeline with the smallest time labeled as big bang occurred 0s, quarks and electrons formed 10⁻¹⁰ baseline seconds, protons and neutrons formed 300 seconds, nebulae formed 3000 years and hydrogen and helium formed 300000 years
Thus, Nebulae developed about 109 years after hydrogen and helium originated, which best sums up Kathy's mistake. Therefore the correct answer is option C.
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The distance is increasing as time passes.
Radio waves have the lowest radiant energy, hope this helps :]
Answer: has wavelengths that are longer than visible light
Explanation: Electromagnetic spectra comprises of different electromagnetic waves which are arranged in order of increasing wavelengths or decreasing energies.
In order from highest to lowest energy, the waves are arranged as: gamma rays, X-rays, ultraviolet radiation, visible light, infrared radiation, and radio waves.
E= energy
h= planck's constant
c= velocity of light
= wavelength
As wavelength and energy are inversely related, the wave having higher wavelengths will be lowest in energy. Thus as infrared radiation have lower energy as compared to visible radiation. Thus infrared radiation have higher wavelength as compared to visible radiation.