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
Dominik [7]
3 years ago
9

Sandra wanted to test the effectiveness of various kitchen cleaners, so she performed the following experiment. First, she prepa

red five agar plates with the same bacterial density (i.e., the same number of bacteria per plate). Then, she coated the entire agarose surface of one plate with 5 mLs of a particular kitchen cleaner. Finally, she repeated this step three more times using three other kitchen cleaners. Her results appear in the data table below. Plate # of Bacterial Colonies Untreated Plate 24 Cleaner 1 22 Cleaner 2 8 Cleaner 3 12 Cleaner 4 4 Which graph below best represents Sandra's data?
Biology
2 answers:
12345 [234]3 years ago
6 0

Answer:

Cleaner 1 and 3

Explanation:

The most effective cleaners will grow the fewest bacteria. Since cleaners 1 and 3 grew considerably less bacteria than the control (the untreated plate), they are the most effective cleaners.

monitta3 years ago
5 0

Answer:

cleaner 1 and 3

Explanation:

i did the study island trust me

You might be interested in
What makes an energy resource non-renewable? <br><br>Please explain well, will give brainliest.​
Morgarella [4.7K]
Hey!

What let us know what are non-renewable resources:

Resources which can’t be renewed again after usage , it takes millions of year to form them again
These include fossil fuels
If we go on using fossil fuels it will be empty and we will run out of it.

A energy resource like fossil fuels is an non renewable! But why? Because rate of consumption is more than the rate of formation !

To sustain them , we must adapt to using of Renewable resources like Wind energy, hydro , wind etc .

I hope it’s clear!
Have a good day :)
4 0
2 years ago
A change in the base pairs is called a what?​
slavikrds [6]

Answer:

Hey mate.....

Explanation:

This is ur answer.....

<em>Substitution is a type of mutation where one base pair is replaced by a different base pair. The term also refers to the replacement of one amino acid in a protein with a different amino acid.</em>

Hope it helps!

Brainliest pls!

Follow me! :)

6 0
2 years ago
Read 2 more answers
How new technology has affected and Improved how firearms and bullets can be used as evidence:
steposvetlana [31]

Answer:

We now have technology that can take dna residue from fingerprints and compare it to dna of possible suspects to find the culprit. Other technologies involve running simulations to find where a bullet was shot from at what distance.

8 0
3 years ago
What's the relationship between photosynthesis and cellular respiration
kakasveta [241]
Photosynthesis creates G3P at the end of the Calvin Cycle which goes on to power the first stage of cellular respiration, glycolysis.
8 0
3 years ago
Read 2 more answers
Anaerobic exercise is an intense activity that lasts a short period of time. This
slega [8]
C. In anaerobic exercise muscles do not use oxygen. In aerobic exercise muscle use oxygen.
6 0
2 years ago
Other questions:
  • Viscosity is a fluids resistance to __________. a. flow c. liquify b. freeze d. vaporize
    11·2 answers
  • Which characteristic of a geographic region
    12·1 answer
  • What type of vessel carries blood away from the heart?
    6·1 answer
  • Do you think scientists have an ethical obligation to speak out when a problem seems so severe
    15·1 answer
  • Which of the following is the factor involved in the dynamics of rivers carvings canyons in rocks?
    10·2 answers
  • Aldosterone exerts effects on principal cells of the kidney by causing:
    5·2 answers
  • 5) Explain in your own words, what each of the following are:
    15·1 answer
  • » له
    13·1 answer
  • Which part of Earth absorbs the most sunlight?
    5·2 answers
  • How does farming creates job for people?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!