True, a person can have free floating anxiety that can trigger a panic attack without there being a specific stimulus.
Answer:
A water molecule is made up of two hydrogen atoms and one oxygen atom.
Explanation:
B
the Earth is eccentric,this means that it has changed repeatedly over time
And if it took the earth more time to orbit round the sun than it does now the years would have more than Han 365 days a year
Answer:
<em>Lower vapor pressures of a substance has an obvious effect on a</em> <em>boiling point</em>. <em>The</em> <em>freezing point </em><em>the rate at which the solid melts is equal to the rate which freezes. </em>
Explanation:
<em>In practice, small differences between these quantities can be observed. It is difficult, if not impossible, to heat a solid above its melting point because the heat </em>
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<em>Hope this helps (: </em>
Answer:
No number means one atom. For CO2 there is one atom of carbon and two atoms of oxygen. For H2O, there is one atom of oxygen and two atoms of hydrogen. A molecule can be made of only one type of atom.
Explanation: