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Sarah M.
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Organic Chemistry
TutorMe
Question:

What is the major difference between an alkane and alkene?

Sarah M.
Answer:

Both alkanes and alkenes are structures with carbons and hydrogens, but the difference is that alkanes contain a single bond in their structure and alkenes contain a double bond.

Biology
TutorMe
Question:

Why do leaves change color in the fall?

Sarah M.
Answer:

In autumn when it starts to get cold, some plants stop making chlorophyll. Instead, those plants break down chlorophyll into smaller molecules. As chlorophyll goes away, other pigments start to show their colors. This is why leaves turn yellow or red in fall.

Algebra
TutorMe
Question:

Solve the equation: -5x + 20 = 25

Sarah M.
Answer:

-5x + 20 = 25 -20 = -20 ----------------------- subtract 20 from both sides -5x = 5 /-5 /-5 ----------------------- divide -5 from both sides to get the x alone x= -1 is your solution

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