Carbon has 4 valence electrons and can thus bond to 4 other atoms. Thats why it is called tetravelent. (2 electrons from the 2s orbital and 2 electrons from the 2p orbital contribute to a sp3 valence hybridization allowing carbon to form 4 bonds)
Answer:
MaxSan. The two fields of study that provide the core information that is used to classify organisms are: Morphology, a branch of biology that studies the form or structure of living beings. Biochemistry, is responsible for studying from a chemical perspective the composition, structure and functions of living beings
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Geocentric - Earth Centered solar system
Heliocentric - Sun Centered solar system
Answer:
west to east
Explanation:
Low pressure spins counterclockwise, causing weather systems to move from west to east in the Northern Hemisphere.
Astronomy can best be described as a "<span>a. study of objects beyond earths atmosphere", although the subject of astronomy can be much more complicated. </span>
