1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Andreyy89
3 years ago
8

Which wold tell you for sure if you had a sample of real gold​

Biology
2 answers:
Advocard [28]3 years ago
5 0

To perform this test to check if gold is real, make a light, tiny scratch on the item using a small nail file. Choose a spot that is not noticeable if possible. Use a dropper to apply a small drop of nitric acid to the scratch. If there is no reaction, then the piece is probably made from real gold.

Nesterboy [21]3 years ago
3 0

Answer:

Choose a spot that is not noticeable if possible. Use a dropper to apply a small drop of nitric acid to the scratch. If there is no reaction, then the piece is probably made from real gold.

Explanation:

You might be interested in
What do manufacturers use water for?
Alenkasestr [34]
The answer is to produce wood and paper products :)
3 0
3 years ago
Read 2 more answers
Variables and controls are chosen during which step of scientific inquiry?
m_a_m_a [10]

Answer:

I think Experimentation :)

Explanation:

apologies if its incorrect.

8 0
2 years ago
Distinguish between the fossils of ice age mammals found in the La Brea Tar Pits and the organisms that make up the
Neko [114]

Answer:

Explanation:

The tar located in the La Brea tar pits is today a fossil fuel that began its formation many hundreds of millions of years ago from the bodies of marine organisms. During the last ice age that ended a few tens of thousands of years ago, some animals got trapped in the tar and left their bones behind. They are not something that created it but only got trapped in preexisting tar.

4 0
3 years ago
Read 2 more answers
What change occurs in muscles at the anaerobic threshold?
Kruka [31]

A change that occurs in muscles at the anaerobic threshold is that the body begins to convert to fermentation instead of the Krebs Cycle.

5 0
3 years ago
Flow of energy during respiration
weeeeeb [17]

Answer: Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.

Explanation:

7 0
3 years ago
Other questions:
  • Which term is used to describe genes that are located physically close to each other on the same chromosome?
    14·1 answer
  • The study of the human muscles
    15·2 answers
  • What kind of questions would you ask, if you are provided with the following materials: Sugar, stir stick, access to warm or col
    6·1 answer
  • Which explains why few animal species live in a fast-flowing river? Question 2 options: Cold water lowers dissolved oxygen level
    9·2 answers
  • Como trabaja el corazón con los pulmones para circular?
    13·1 answer
  • What keeps earth’s temperature at the proper level for life
    8·1 answer
  • CANT GET WRONG!
    7·1 answer
  • To join the video meeting, click this link: thw-pceo-uii come for some fun<br><br>​
    11·2 answers
  • Why can the River Nile be seen from space?
    10·1 answer
  • Marine biologists in the Gulf Coast completed a population sample for Orcinus orca, commonly known as the Orca whale. The resear
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!