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
777dan777 [17]
3 years ago
15

Which of the following are pollutants?

Biology
2 answers:
Wewaii [24]3 years ago
8 0
2. & 3. are pollutants
vlada-n [284]3 years ago
6 0
CFCs and Fossil Fuel Emissions.
You might be interested in
Can babies be made by a girl and agirl?
noname [10]

Answer:

no

Explanation:

rfsufdtdutxtifiyxjgcjfxhcjx

5 0
3 years ago
Read 2 more answers
You acquire a soil sample and run an enrichment culture on it. You provide the organisms in the culture with all of the ingredie
almond37 [142]

Answer:

Nitrogen-fixing bacteria will significantly outnumber those incapable of fixing nitrogen

Explanation:

Nitrogen-fixing bacteria are capable of growing in a medium lacking organic Nitrogen. They convert (fix) atmospheric Nitrogen (Nitrogen is abundant in air) into organic substrates. Hence, they will grow in the enrichment medium described. This is the kind of medium used to isolate nitrogen-fixing bacteria.

Non-nitrogen fixing bacteria require an organic form of Nitrogen for growth. Hence, in a medium with no nitrogen, they will rely on the Nitrogen fixers. This means delayed growth for them.

A culture medium also has limited nutrients, so the slow growers will have little or no nutrients left.

Therefore, the Nitrogen fixers will have competitive advantage and significantly outnumber those incapable fixing nitrogen.

5 0
3 years ago
The seed plants became dominant during the late ___ when the climate became ___.
PIT_PIT [208]
Carboniferous and drier
6 0
3 years ago
How might photosynthesis account for seasonal changes in carbon dioxide in the atmosphere? ( for example, why might carbon dioxi
Elanso [62]

Answer:

When plants are growing, photosynthesis outweighs respiration. As a result, plants take more CO2 out of the atmosphere during the warm months when they are growing the most. Levels of carbon dioxide in the atmosphere rise and fall each year as plants, through photosynthesis and respiration, take up the gas in spring and summer, and release it in fall and winter. Now the range of that cycle is expanding as more carbon dioxide is emitted from burning fossil fuels and other human activities.

Explanation:

gogle

3 0
3 years ago
What are all the body systems?
Valentin [98]

BODY SYSTEMS<span>INTEGUMENTARY SYSTEM
MUSCULAR SYSTEM
SKELETAL SYSTEM
CIRCULATORY SYSTEM
NERVOUS SYSTEM
LYMPHATIC SYSTEM
RESPIRATORY SYSTEM
ENDOCRINE SYSTEM
DIGESTIVE SYSTEM
URINARY SYSTEM
REPRODUCTIVE SYSTEM
CELLSTISSUES
ORGANS

</span>
4 0
3 years ago
Read 2 more answers
Other questions:
  • Which of these is an example of land degradation?
    5·2 answers
  • The smallest group that includes gibbons and humans but ford not include tarsiers is ______ . A. primates B. anthropoids C. homi
    12·1 answer
  • Use this graph to answer the following question
    13·1 answer
  • The cardiovascular system is also known as the ____ system
    13·2 answers
  • How is the mass number calculated for an element
    6·1 answer
  • cells can be observed in plants, animals, fungi, protists, bacteria, and archaea. which part of the cell theory?
    14·1 answer
  • A student wants to determine if exercise helps one to learn better. She conducts an experiment where 10 people start an exercise
    11·1 answer
  • What causes the surface winds of a hurricane?
    10·1 answer
  • Which phrase best describes an individual organ?
    9·1 answer
  • As you walk down the hall on the way to class, several students sneeze. You unknowingly inhale some of the droplets
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!