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
Zigmanuir [339]
3 years ago
11

The school district wanted to determine whether the more expensive floor wax (Brand A) was better than the cheaper (Brand X) flo

or wax at protecting its floor against scratches. One liter of each brand of floor wax was applied to each of 10 test sections of the cafeteria floor. The test sections were all the same size. Ten other test sections received no wax. After 4 weeks the number of scratches in each of the test sections were counted.
1 What is the independent variable for this experiment?
2 What is the control group for this experiment?
3 What is the dependent variable for this experiment?
Biology
1 answer:
erik [133]3 years ago
7 0

Answer:

please help me on my question

You might be interested in
What is the difference between sensory, motor and relay neurons?​
Aleonysh [2.5K]

Answer:

Sensory neurons are found in receptors such as the eyes, ears, tongue and skin, and carry nerve impulses to the spinal cord and brain. Relay neurons are found between sensory input and motor output/response. Relay neurons are found in the brain and spinal cord and allow sensory and motor neurons to communicate.

Explanation:

Hope it really helps

5 0
4 years ago
A woman gave birth to a child with a bent vertebral column. Which is a possible reason?
kirill [66]
The endoderm layer may have developed abnormally" is the possible reason among the choices given in the question. The correct option among all the options that are given in the question is the third option or the last option. I hope that this is the answer that has actually come to your great help.
4 0
3 years ago
Read 2 more answers
What makes the phosphorus cycle different from the carbon cycle
brilliants [131]

<span>The phosphorus cycle is different from the carbon cycle (and other cycles) because (1) it is not in gas state; (2) a cycle happening only in lithosphere, hydrosphere, and biosphere and (3) phosphorus is located in and on land, sea, and sediment.</span>

3 0
4 years ago
Read 2 more answers
The ear functions because of?
skelet666 [1.2K]
The Auricle or Pinna is the visible curvy part which trap sound to be received into the ear canal which is a passage way for sound until it reaches the ear drum which is a piece of tightly stretched skin and the end of the ear canal. The sound waves vibrate the skin which moves the stirrup, anvil and hammer or altogether known as the ossicles. The ossicles' movement the cochlea which has many tiny hairs. Nerves in the hairs pick up the movement which then gets turned into electrical pulses and sent up through the brain via the auditory nerve to be interpreted.
7 0
4 years ago
Helpp pwzz i need help :DDD
lutik1710 [3]

Answer:

C) and E)

Explanation:

A), B), and D) would lead to a decrease in bison,

8 0
3 years ago
Other questions:
  • The structural level of a protein least affected by a disruption in hydrogen bonding is the
    15·1 answer
  • Which of the following terms means that there are more large businesses and factories and more people work jobs instead of subsi
    13·2 answers
  • One pyruvate molecule will generate _______ molecules of CO2 after completing the citric acid cycle
    7·2 answers
  • Name the process where chiasma is formed ​
    9·1 answer
  • Why is it an advantage for some plant like protists to be able to move using a flagella
    9·1 answer
  • Help please i’m stuck due soon!
    7·1 answer
  • What is a convection current
    6·2 answers
  • The transport of specific particles through a membrane by channel proteins is known as facilitated diffusion.
    11·1 answer
  • Name an animal that lays eggs but is not a bird
    8·1 answer
  • Explain how scientists can have multiple theories about the effects of global warming.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!