Edwin Hubble used the Doppler effect to determine that the universe is expanding. After years of scientific research and observation of different celestial bodies through a telescope, Hubble found that the light from distant galaxies was shifted towards the red end of the spectrum. This red shift indicates that stars are moving away from us and from each other. This phenomenon is called the 'expansion of the universe', also known as the big band theory.
<span> Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.</span>
Answer: A storm or tornado
Explanation:
Answer: low temperature, high-pressure
Faults is a fracture in a rock that formed by the rock-mass movement. The fracture is made because the rock rigidity or friction are preventing the movement, make the pressure buildup until it enough to break the rock. This condition will be easier in low temperature and high-pressure condition.
