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Step2247 [10]
3 years ago
9

A point of reference is anything that seems steady that is used compare the position of an object

Chemistry
2 answers:
bagirrra123 [75]3 years ago
8 0

That statement would be true

Masja [62]3 years ago
4 0

Answer:

True

Explanation:

hope it'll help!!

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3. Why does å star begin shining?
steposvetlana [31]

Answer:

a star shines due to thermonuclear fusion

Explanation:

8 0
2 years ago
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N each reaction box, place the best reagent or reactant from the list below. reagents may be used more than once or not at all.
Ne4ueva [31]

Answer:

See explaination

Explanation:

See attachment for the drawing of the intermediate products b and c (both are neutral; omit byproducts).

7 0
3 years ago
Heroin was originally going to be called "wunderlich", a German word for wonderful, since one chemist thought the substance made
Zarrin [17]

Answer:

heroic

Explanation:

Bayer, a German pharmaceutical company, named the substance it synthesized "heroin", probably from the word heroisch, German for heroic, because in field studies people using the medicine felt "heroic".

BTW, I found this information on this wedsite: https://www.answers.com/Q/Where_did_heroin_get_its_name

Also, if you want some more history about this drug, you can visit this article: https://www.narconon.org/drug-information/heroin-history.html

5 0
3 years ago
Leah is trying to determine how music affects the growth of plants. She hypothesizes that classical music will cause a plant to
Pani-rosa [81]
Leah's experiment:
A. Takes careful and regular measurements (she measures the growth every day)
B. Has a specific hypothesis and a controlled experiment (the music is the only changing variable, the growth conditions are identical, and this is what she wants to test in her hypothesis)
C. Experimental data that can be recorded and analyzed (measuring the growth of plant fits this)

So the answer must be D, since there is no mention of past research that scientists have found on this topic.
8 0
3 years ago
Read 2 more answers
See questions on the sheet
nignag [31]

Answer:

The first question is 4

The second one is 1

Explanation:

Please mark brainliest! Hope it helped!

8 0
3 years ago
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