Since acid is less than 7, you'd want the remedy to be more than 7.
Explanation:
Red-shift
Emission spectra
Light from a star does not contain all the wavelengths of the electromagnetic spectrum. Elements in the star absorb some of the emitted wavelengths, so dark lines are present when the spectrum is analysed. Different elements produce different patterns of dark lines. The diagram shows part of the emission spectrum of light from the Sun.
A gradient colour spectrum of the sun.
Spectra from distant galaxies
Astronomers can observe light from distant galaxies. When they do this, they see it is different to the light from the Sun. The dark lines in the spectra from distant galaxies show an increase in wavelength. The lines are moved or shifted towards the red end of the spectrum. This effect is called red-shift. The diagram shows part of the emission spectrum of light from a distant galaxy.
A gradient colour spectrum of a distant star.
Red-shift and speed
Astronomers see red-shift in virtually all galaxies. It is a result of the space between the Earth and the galaxies expanding. This expansion stretches out the light waves during their journey to us, shifting them towards the red end of the spectrum. The more red-shifted the light from a galaxy is, the faster the galaxy is moving away from Earth
The evidence from the simulation to support the decrease in biodiversity of the other species in the coral reef ecosystem.
<h3>Why are coral reefs disappearing?</h3>
Coral reefs are disappearing because of a mix of local pressure and climate change.
Local pressures include overfishing, caused by commercial agriculture; pollution; nutrient enrichment of reef waters, which is harmful to coral reefs; and coastal growth.
Thus, option "D" is correct, decrease in biodiversity of the other species in the coral reef ecosystem.
To learn more about ecosystem click here:
brainly.com/question/13979184
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