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ACT Science: Research Summary Passage Drill 2, Problem 3. Why is the salt left behind in the distillation chamber after boiling?
ACT Science: Research Summary Passage Drill 2, Problem 2. Why is the filter paper effective at removing sand from the water?
ACT Science: Research Summary Passage Drill 2, Problem 5. What do you think the student did wrong?
ACT Science 1.2 Research Summary Passage 229 Views
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ACT Science: Research Summary Passage Drill 1, Problem 2. Which of the following is not a chemical represented in a peak in Figure A?
Transcript
- 00:03
Here’s your Shmoop du jour, brought to you by royal jelly.
- 00:07
Whether it’s on toast, bagels, crackers, or candy crush you’ll eat like a queen.
- 00:14
Here’s a passage about honey bee communication.
- 00:17
It’s all the buzz right now.
- 00:29
“Which of the following is NOT a chemical represented in a peak in Figure A?”
Full Transcript
- 00:35
And here are the potential answers...
- 00:42
Figure A, being the top half of the chart we just saw, has 4 main peaks.
- 00:47
The end of the passage describes what each of those peaks represents,
- 00:51
so it should just be a simple matter of matching them.
- 00:55
So let's go.
- 00:56
Option A: Z-9-tricosene <<try-co-zeen>>. Try-co-say that 5 times fast.
- 01:01
Looking back at our list in the passage, it’s definitely in there. Sorry, A.
- 01:06
Option B: Tricosane. Try-co-say… okay, sorry.
- 01:12
Looks like tricosane is in the passage, too.
- 01:15
So long, B.
- 01:17
Option C: Z-9-pentacosene <<pen-tuh-CO-zeen>>.
- 01:20
Yeah, that’s there too. That just leaves…
- 01:23
<<interrupted by screeching hawk>> Oh goodness. I hope he’s okay.
- 01:26
Option D: Pentatricosane <<pen-tuh-try-CO-sane>>.
- 01:29
In the passage we see the similar-sounding pentacosane <<pen-tuh-CO-sane>>.
- 01:33
Not the same, though.
- 01:34
That means our answer is D. <<distant hawk screech>>
- 01:38
Aaaand it’s time to get out of here.
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