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Marat540 [252]
3 years ago
6

Which of these is an example of a physical change ?

Chemistry
1 answer:
Gre4nikov [31]3 years ago
8 0
It's 1. Melting a substance. The rest are chemical changes
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Which is a positive effect of the technology advance of going from a compass to a gps
egoroff_w [7]

Answer:

Compass - Gps                              

Explanation:

I belive the pro's                                      and cons are

                                         GPS             you are trusting a little man made device

the direction you                               to give you directions

are going on                                        and that it won't break or die

a device not a paper map

                                                Compass

You can see north east south and              it is usually carefully crafted for                                                                                                                                                                          o                                                                     outdoors but it has no roads and

west on the compass and                          if given no directions, extremely

you can see the roads follow directions                  confusing until you learn it

like go south then east.

4 0
3 years ago
Acts as the digestive system inside a cell. It helps to break down old or unneeded parts of the cell, and substances that have b
DIA [1.3K]

Answer:

I think it is enzymes

Explanation:

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3 years ago
Match the terms with their correct definition:
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<h2><em>1. A</em></h2><h2><em>3. B</em></h2><h2><em>4. C</em></h2><h2><em>7. E</em></h2><h2><em>5. F</em></h2>
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List the five major pollutants in the United States
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Fine particles, ground level ozone, sulfur dioxide, nitrogen dioxide, lead
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