Writing a Scientific Argument About the Channel on Mars What geologic process could have formed the channel on Mars?
• Use your Reasoning Tool to help you write an argument to answer this question
• Refer to the Word Bank below, as needed.
Be convincing: show the audience how your claim is clearly supported by the evidence
Word Bank
landform
model
rocky planet
reasoning
geologic process
conglomerate rock
claim
evidence

Explain the significance of thesaurus geographicus

What best explains whether bromine (br) or neon (ne) is more likely to form a covalent bond? bromine forms covalent bonds because it has seven valence electrons, but neon has eight valence electrons and already fulfills the octet rule. bromine forms covalent bonds because it has many electron shells, but neon has only two electron shells and is tightly bound to its electrons. neon forms covalent bonds because it can share its valence electrons, but bromine has seven valence electrons and can gain only one more electron. neon forms covalent bonds because it has only two electron shells, but bromine has many electron shells and will lose electrons in order to fulfill the octet rule.

Which are reasons cells undergo cell division?