Examlex
A planetary nebula is visible due to ____.
Reaching
Reaching refers to the motor action of extending an arm or hand toward an object, usually to bring it closer; in development, it is a key milestone in fine motor skills.
Monkey
A primate generally characterized by a tail, manual dexterity, and a level of intelligence that allows for social behaviors and problem-solving.
Mirror Neurons
Neurons that fire both when an individual acts and when the individual observes the same action performed by another, thought to be involved in learning through imitation.
Grape Juice
A beverage made from the extraction or pressing of the natural liquid contained in grapes.
Q2: A spectrum that displays no energy except
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Q11: During nuclear fusion, four hydrogen nuclei fuse
Q23: Cepheids and globular clusters are limited in
Q30: The terms "temperature" and "heat" are synonymous.
Q37: The first detection of gravitational waves, by
Q46: The spectral classification of stars started with
Q47: Energy flows by radiation or convection inside
Q48: The proper interpretation of a what a
Q125: In the unified model, an accretion disk