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
sergiy2304 [10]
3 years ago
13

HELPPPPP Some factories that burn coal produce smoke with harmful chemicals, such as sulfur. Scrubbers are devices that are atta

ched to the smokestacks to reduce the amount of sulfur put into the atmosphere. To evaluate the effectiveness of these devices, what data would need to be collected?
A. The percentage of sulfur contained, on average, in a certain amount of coal

B. The amount of coal a factory burns each year, and how much sulfur it emits

C. The increase, over time, in the use of scrubbers by factories that burn coal

D. The amount of sulfur emitted by a smokestack before and after the scrubber is attached
Biology
2 answers:
soldi70 [24.7K]3 years ago
7 0
The answer would be A hope it helps
Mamont248 [21]3 years ago
3 0

Answer:

D. The amount of sulfur emitted by a smokestack before and after the scrubber is attached

You might be interested in
A recipe calls for 34 teaspoon of butter for every 2 cups of milk. If you increase the recipe to use 3 cups of milk, how many te
WITCHER [35]

Answer:

1 and 1/8 teaspoons of butter i think

Explanation:

4 0
2 years ago
A is a DNA sequence where RNA polymerase binds and begins the process of transcription. A is a DNA sequence that binds regulator
WARRIOR [948]

<u>Answer:</u>

A is a DNA sequence that binds regulatory proteins that interact with promoter-bound proteins to activate transcription.

<u>Explanation:</u>

Background Knowledge:

DNA contains genes which is a particular segment of DNA. A gene usually has regulatory regions and a structural region.

Promoter: The regulatory region located to the 5 prime end of coding strand of the gene which is called as promoter that controls the binding RNA Polymerase during transcription.

The Terminator is the other regulatory region, located to the 3 prime end of coding strand of the gene. The terminator region causes RNA polymerase to stop transcription.

Structural region is the region present between the promoter and terminator.

Answer of the question is:

A is a DNA sequence that binds regulatory proteins that interact with promoter-bound proteins to activate transcription.

6 0
3 years ago
Which of these is an example of an adaptation?
Evgen [1.6K]
Answer to your question is D
7 0
3 years ago
Which of the following is an example of condensation in the water cycle? A. the formation of icebergs B. the formation of ground
Solnce55 [7]
The right answer is: <span>D. the formation of clouds

</span>Condensation is the second stage of the water cycle. The water vapor circulating in the atmosphere will encounter a colder air and it will turn into droplets, this phenomenon is called condensation.<span>
Water droplets accumulate in the form of clouds of different shapes, density, and altitude. This phenomenon is called condensation. Water vapor travels on the surface of the earth in the form of clouds.</span>
8 0
2 years ago
Which biome is charterized by seasonal drought occasional fires and grazing by large mammals
Charra [1.4K]
I thought it was savannah but grasslands could be it too.
7 0
3 years ago
Other questions:
  • Colchicine is a chemical obtained from plants that prevents the assembly of spindle fibers. Which phase of the cell cycle would
    12·2 answers
  • After comparing the wet mount and the stained cheek cells, describe the advantage gained by staining cells
    7·1 answer
  • 1. During a stressful or threatening situation, which of the following is the best description of how the nervous systems in you
    8·1 answer
  • What must a cell do as it prepares to divide?
    8·1 answer
  • Using renewable energy resources could help combat climate change<br><br> True or False??
    6·2 answers
  • Tumor suppressor genes and oncogenes are implicated in carcinogenesis. However, one can predict whether a gene potentially encod
    12·1 answer
  • How many units of ATP are produced from aerobic respiration
    7·2 answers
  • At the end of meiosis 2 how many cells are there
    5·2 answers
  • 1. Which is not a part of the respiratory system? Alveoli, Lungs, Trachea, <br> Esophagus ​
    8·1 answer
  • A<br>TI<br>12 h<br>A<br>С C<br>we<br>4<br>gi<br>de<br>A.<br>С.<br>D​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!