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
zzz [600]
3 years ago
8

Question 17

Biology
1 answer:
RideAnS [48]3 years ago
4 0
<h2>Answer:</h2>

Removal of the tarnish from the silver is a <u>physical change</u>.

<h2>Explanation:</h2>

The type of change which doesn't produce any new substance is called as physical change. Tarnish refers to the thin black layer that is formed on the silver. Formation of tarnish is chemical change as due to oxidation a black color layer is formed.  

On the other hand, removal of tarnish from silver is considered as physical change as no new product is formed and only we are obtaining the silver in its pure form.

You might be interested in
The outermost layer of Menings is _______.​
MaRussiya [10]

Dura mater...............

8 0
2 years ago
Read 2 more answers
Anyone know the answer for these two plzzzzz tell me
stepan [7]

Answer:

The components of he respiratory system conduct air to the lungs ,such as the trachea (windpipe) which branches into smaller structures called Bronchi . The process of breathing (respiration) is divided into two distinct phases , inspiration (inhalation) and expiration (exhalation).

Explanation:

4 0
3 years ago
How does the skeletal system interact with the nervous system?
Mice21 [21]

Answer:

The skeletal muscles connect to the bones and work with connective tissue at the joints to allow for movement. The muscles connect to the nervous system and allow initiation of movement through nerve signals to and from the brain. The bones and muscles are supported by connective tissue, which plays an integral role in structural support.

7 0
3 years ago
What are two ways in which the value of soil can be reduced?
Dovator [93]

Fertile soil is valuable because there is a limited supply. Less than one eighth of land on Earth has soil that are well suited for farming.

The thick, fertile soil of the prairies took many thousands of years to develop.

The two ways that the value of soil can be reduced is help use soil correctly, peanuts were once a corp to help soil, and still can be. The soil value recycle rocks and bedrock.

The value of soil is reduced when it loses its fertility and when topsoil is lost due to erosion. Soil can be conserved through contour plowing, conservation plowing and crop rotation. The thick mass of tough roots at the surface of the soil.

6 0
3 years ago
Top 3 vitamins in chicken
ludmilkaskok [199]

Answer:

potassium, phosphorus and zinc.

Explanation:

4 0
2 years ago
Other questions:
  • The largest level of organization in living things is a(n) (2 points)
    11·1 answer
  • What best define of a dominant allele?
    11·1 answer
  • Water has a pH of:<br> a. 7<br> b. 7.3<br> c. 6.9
    8·2 answers
  • Which of the following best describes weight ?
    7·1 answer
  • Explain why overpopulation occurs and how it impacts ecosystems.
    10·1 answer
  • Milk snakes are a species of nonpoisonous snakes that inhabit a wide geographical range throughout North America. They can be gr
    13·1 answer
  • In a sample of bacterial DNA, 14% of the nitrogenous bases are thymine. About what percentages are the other nitrogenous bases?
    12·1 answer
  • What does it mean that earlobe attachment is a continuous trait?​
    7·1 answer
  • Complete each sentence regarding the bones of the lower extremity. Then place the sentences in order, based on the bones, from p
    6·1 answer
  • Explain the difference between herbivores, carnivores and omnivores​
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!