7.5 is the answer. You have to move the decimal 2 places to the right.
By direct heating of an element with oxygen : many metals and non-. metals burn rapidly when heated in oxygen or air producing their oxides e.g.
Answer:
i think that it is an atmosphere.
Explanation:
<span>If I were a scientist examining the DNA sequence of two unknown organisms that I hypothesize share a common ancestor, I would expect to find similar or almost identical DNA sequence between the two organisms.
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Answer:
An acid is a substance that donates protons (in the Brønsted-Lowry definition) or accepts a pair of valence electrons to form a bond (in the Lewis definition). A base is a substance that can accept protons or donate a pair of valence electrons to form a bond. Bases can be thought of as the chemical opposite of acids.
