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
tatyana61 [14]
3 years ago
11

Which would be classified as a pollutant?

Biology
2 answers:
Lunna [17]3 years ago
5 0

Answer:

Smoke is the answer!!!!

Anarel [89]3 years ago
4 0
Smoke "pollutes" the air so it is categorized as a pollutant
You might be interested in
When two species occupy the same niche in an ecosystem, the result of the competition is that one species will either have to mo
patriot [66]

Biodiversity decreases, and the overall health of the ecosystem decreases.

Answer: Option D

<u>Explanation:</u>

In a niche when two different species occupy a niche competition arises between them. In due course both the species fight for existence and nature selects the best adaptable one to win. The other species either reduces in its population or gradually in struggle for existence they deteriorate and die.

Hence a decrease in bio diversity happens here due to natural selection. If the biodiversity is decreased in a particular niche it affects the growth of different species which in turn affect the whole ecosystem resulting in decrease of the overall health in an ecosystem.

8 0
3 years ago
You are attempting to synthesize rRNA in a test tube using DNA isolated from mouse cells. In addition to the template DNA, ribon
olga55 [171]

Answer:

d. RNA polymerase II.

Explanation:

The main enzyme responsible for RNA synthesis is RNA polymerase, which <em>catalyzes the polymerization of 5'-triphosphate ribonucleosides (NTP) </em>directed by a DNA mold.

Eukaryotic cells contain <u>three types of nuclear RNA polymerases</u> that transcribe different types of genes. Protein-encoding genes are transcribed by RNA polymerase II to give mRNA.

3 0
3 years ago
_____ is the type of learning that occurs when an organism makes a connection between two events.
coldgirl [10]
Associative learning
5 0
2 years ago
Bird guides once listed the myrtle warbler and Audubon's warbler as distinct species Recently, these birds have been reclassifie
ser-zykov [4K]

Answer:

The two forms interbreed and their offspring survive and reproduce well.

Explanation:

When talking about classification of species, one of the first features observed is the species fitness, which describes the reproductive success or their ability to leave to their successive generations the most copies of their genotype. When different species that were recently divided into 2, by geographic isolation, for instance, usually there is no genetic compatibility, and if its possible to produce offspring, there might be some development issues like infertility.

8 0
3 years ago
The atomic number of krypton (Kr) is 36, and its mass number is 84. How many neutrons does it have?
noname [10]
I believe the Answer is B
3 0
2 years ago
Read 2 more answers
Other questions:
  • Energy in higher trophic levels is greater than energy at lower trophic levels.
    7·1 answer
  • What type of vegetation would you expect to find on newly formed volcanic islands?
    11·1 answer
  • A species of protozoan-carrying mosquito lives in a meadow. The protozoan, if transmitted to mammal hosts through a bit, can be
    7·2 answers
  • What is the average waist size for a 14 year old?
    7·1 answer
  • Name 15 different types of sharks and write one sentance that describe each!
    7·1 answer
  • If all deer the disappeared from this community which change would be most likley to occur
    13·2 answers
  • Please please help me out!
    6·1 answer
  • Which combination of features is found in most plant and animal cells? #1 Cytoplasm, mitochondria, ribosomes #2 Rough endoplasmi
    8·1 answer
  • The physical expression of genes
    14·2 answers
  • What is the main function of chloroplast in a plant cell? *
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!