Which of the Following Hypothetical Observations, If True, Would Disprove

question 8

Multiple Choice

Which of the following hypothetical observations, if true, would disprove a prediction of the Big Bang theory?

• A)the discovery of two galaxies at the same distance, moving away with slightly different speeds
• B)the discovery of a galaxy moving toward us
• C)the discovery that the temperature of the universe is only 2.73 K
• D)the discovery of a galaxy with 10% helium abundance
• E)the discovery of a galaxy with 30% helium abundance

---

Definitions:

Photosynthetic Pigments

Molecules that absorb specific wavelengths of light and are utilized by plants and other photosynthetic organisms to capture energy from the sun.

Fluoresce

The property of absorbing light of one wavelength and then emitting light of a longer wavelength, visible as a bright glow under certain conditions.

Chloroplasts

Organelles found in plant cells and eukaryotic algae that conduct photosynthesis, converting light energy into chemical energy.

CAM Plants

Plants that use Crassulacean Acid Metabolism, a photosynthetic adaptation that allows them to minimize water loss by opening their stomata at night.