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
boyakko [2]
4 years ago
10

Air pollution is only caused by human activity. true or falseair pollution is only caused by human activity. false.

Biology
2 answers:
alekssr [168]4 years ago
4 0
<span>Air pollution is only caused by human activity. False.</span>
stiv31 [10]4 years ago
3 0

Answer:

false

Explanation:

You might be interested in
This man met a woman with the genotype BBee,what are the different combinations of the alleles in her gamates(4 answers)
Nata [24]
First BB
Second Be
Third eB
Fourth ee
4 0
3 years ago
Humans need certain substances to make new cells and repair their tissues. Humans acquire these substances by eating nutritious
Tanya [424]

The answer is C) Living organisms use matter and energy for their life processes.

Hope this helps :)

7 0
4 years ago
Read 2 more answers
What is cellulase made of?
aleksandrvk [35]
Cellulase is an enzyme. Like other enzymes cellulase is mostly made of proteins. Cellulase is used to catalyze (digest) celluloysis, which is a polysaccharide in plants' cell wall.
4 0
4 years ago
Read 2 more answers
DNA is the genetic material that makes up living things, and folic acid plays an important role in the formation of DNA. Jon wan
nirvana33 [79]

Answer:

The correct answer is - C. The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable.

Explanation:

DNA is the genetic material of most of the living organisms. In this question, Joe wants to study to see the effect of folic acid on the synthesis of the DNA. Folic acid ae the essential nutrients or vitamin for the synthesis of nitrogen bases of the DNA that are purines and pyrimidines. A dependent variable and an independent variable are two important part of any experiment.

A dependent variable is a variable being tested and measured. In the experiment Jon is conducting, the amount of DNA becomes a dependent variable that is being tested and measured in the presence of folic acid.  And folic acid is the independent variable tested to check the formation of DNA in bacteria.

Thus, the correct answer is - C. The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable.

7 0
3 years ago
In which phase do homologous chromosomes migrate to towards the metaphase phase?
shtirl [24]
C Chromosomes break at centromeres,and sister chromatids move to opposite ends of the cell.
4 0
3 years ago
Other questions:
  • What is the importance of scientific methods
    14·1 answer
  • The ocean and the atmosphere serve as long-term storage areas for carbon and other nutrients. What are these storage areas calle
    15·2 answers
  • Which experiments led to changes to the original cell theory?
    13·2 answers
  • Two mutant flies both have white eyes (red is the normal eye color) but were each isolated in different labs and therefore have
    10·1 answer
  • Help please, answer with one of the multiple choice questions in the picture above
    5·2 answers
  • The presence of the disease sickle cell anemia illustrates that natural selection does not always eliminate _________ alleles.
    8·1 answer
  • What is the missing word? __________ substances can move into or out of cells by diffusion.
    11·1 answer
  • Sheila wants to learn more about how people reason and remember things. Which branch of psychology BEST fits Sheila’s interests?
    8·2 answers
  • Can anyone solve this
    6·1 answer
  • In the general population, 1 in 300 individuals is a carrier for Tay-Sachs disease, while 1 in 30 individuals of Ashkenazi Jew d
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!