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
Vinil7 [7]
2 years ago
7

4. A chemical or physical agent in the environment

Biology
2 answers:
Georgia [21]2 years ago
8 0

Answer:

Mutagen

Explanation:

In genetics, a mutagen is a physical or chemical agent that changes the genetic material, usually DNA, of an organism and thus increases the frequency of mutations above the natural background level. 

Alina [70]2 years ago
3 0

Answer:

Mutagen

Explanation:

You might be interested in
When the temperature of the outside air exceeds their internal body temperature, jackrabbits living in hot, arid lands will when
rjkz [21]
The answer is: 'constrict the blood vessels in their large ears to reduce transfer of external heat to the blood in their ears.' This is an example of thermoregulation. Thermoregulation is the ability of the<span> </span>body to keep body temperature<span> within certain boundaries, even when the temperature of the surrounding environment is very different. The regulation of temperature by thermoregulating organisms is one aspect of </span>homeostasis. By using heat exchange systems, such as employed in this example, the animal will need to expend less energy on behavioural adaptations to maintain a constant body temperature.
7 0
3 years ago
Plant roots can be fibrous or a taproot. When there is not enough water in the environment some plants send their taproot furthe
kykrilka [37]

Answer:

B

Explanation:

the answer is B

5 0
2 years ago
Total arable land area 14,844 square mile number of farms 47,600
Lerok [7]
At the time of this writing, the most recently available statistics pertain to 2010, at which point the World Bank reported that about 37.7 percent of the world's total land area was considered agricultural land, while approximately 10.6 percent was considered arable.
3 0
3 years ago
List out of the <br>ways through which we can minimise the option of plastic and deal with garbage​
Nataly_w [17]

Answer:

Multiple ways that we can minimise the option of plastic are by reusing different plastics, use compost bins, and use reusable grocery bags or reuse plastic bags when grocery shopping, buy secondhand items and donate used goods, and RECYCLE!!

I hope that this helped :)

8 0
2 years ago
during any type of mineral growth, atoms accumlate on___? A.ions B.native elements C.silicates D.crystal faces
marshall27 [118]

Answer:

D.crystal faces

Explanation:

4 0
3 years ago
Other questions:
  • Two aligned sequences fo the same gene differ by four substitutions, all transitions, two more sequences for the same gene also
    12·1 answer
  • How does a plant benefit from having a cell wall around the cell membrane?
    7·1 answer
  • A complete pathway through the nervous system, beginning with a stimulus and ending with a response, is called a/n:
    6·1 answer
  • How much water does the average american family for four users use per day in their home?
    14·1 answer
  • Which type of interest rate gives the most accurate measure of the amount a borrower will really pay in interest, because it tak
    10·1 answer
  • Which two cellular structures work together to synthesize, modify, and transport macromolecules within the cell ? A. Endoplasmic
    8·1 answer
  • Exposure of zebrafish nuclei to meiotic cytosol resulted in phosphorylation of NEP55 and L68 proteins by cyclin-dependent kinase
    7·1 answer
  • (10 points) What term is used to describe Earth's early atmosphere?
    11·1 answer
  • Question 2 of 26
    14·1 answer
  • What happens during G₁ phase?​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!