Redshift of light from many galaxies was first observed in the 1920s. Which of the following was proven by this? (1 point)
A. Meteorite Impact
B. Rivera's Philosophy of time
C. The Big Bang Theory
D. Theory of Relativity

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

Describe five factors that influence the value of fuel