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
poizon [28]
3 years ago
8

Leticia timed how fast five apple slices turned brown (oxidate) after being being dipped in different preservatives such as lemo

n juice, fruit freshener, salt water and lime soda. another part of the experiment had the apple slices simply set out without any chemical on them. all parts of the experiment had the apple slices in the same indoor conditions such as humidity temperature and lighting; also only one variety of apple-red delicious was used.
Identify each of the following independent variable, dependent variable, constants, control experiment and repeated trials.
Physics
2 answers:
FrozenT [24]3 years ago
6 0

Answer:sorry but i no understand

Explanation:

Brut [27]3 years ago
3 0

Answer:

Independent Variable: Choice of preservative

Dependent Variable: Time it took to brown

Controlled Variables/Constants: Climate, Size of apple slices, and amount of preservative on each slice

Control: Apple Slices without preservatives on them

Repeated Trials: One?

Explanation:

You might be interested in
What do you think that astronomers mean when they use the term observable universe?
iren2701 [21]
The observable universe consists of galaxies and other matter that can, principally, be seen from Earth because the light signals have had time to reach us. Not everything in the sky is the way it is when we see it, because of the distance the light travels to reach us. 

Hope this helps :)
6 0
3 years ago
Please give an answer that is coherent
Semmy [17]

Answer:

480

Explanation:

resistance equals to potential difference divide by electric current

120÷0.25

=480

6 0
3 years ago
How are sound waves different from the ripples that spread across water?​
prisoha [69]

Answer:

.

Explanation:

Sound waves are caused by vibration ripples in water are caused by disturbance in the molecules

6 0
3 years ago
Read 2 more answers
A mountaintop is a height y above the level ground. A woman measures the angle of elevation of the mountaintop to be θ when she
valentina_108 [34]
Let t = Theta and p = Phi
Tan t = y/x    Then x =y/Tant.
Tant = y/(x-d)  x-d = y/Tanp
y/Tant  - d = y/Tanp
y -d*Tanr = y*Tant/Tanp
y-y*Tant/Tanp  =  d*Tanr
y(1 - Tanr/Tanp = d*Tant

y = d*Tant/(1-Tant/Tanp)
7 0
3 years ago
Which of the following best describes the energy transformations that take place when a battery-powered dvd player is used to wa
AveGali [126]
D. chemical to electrical to sound and electromagnetic
3 0
3 years ago
Other questions:
  • The faster am igneous rock cools the_ the crystal size
    5·1 answer
  • A weight lifter picks up a barbell and 1. lifts it chest high 2. holds it for 30 seconds 3. puts it down slowly (but does not dr
    10·1 answer
  • A light plane must reach a speed of 33m/s for takeoff.how long a runway is needed if the the acceleration is 3.0m/s^2
    9·1 answer
  • How dose an atom become an ion with a -2 charge?
    12·1 answer
  • A hydrogen discharge lamp emits light with two prominent wavelengths: 656 nm (red) and 486 nm (blue). The light enters a flint-g
    15·1 answer
  • A company has been hired to perform environmental remediation on an area of marshland. What would they most likely do?
    8·2 answers
  • A child with a mass of 23 kg rides a bike with a mass of 5.5 kg at a velocity of 4.5 m/s to the south. Compare the momentum of t
    5·1 answer
  • Classify the statement below as either Speed or Velocity?
    12·1 answer
  • A car is moving from rest and attained a velocity of 80 m/s. Calculate the acceleration of the car after 5 s?
    7·1 answer
  • Lesson 2 History of Physical Science
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!