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
valentina_108 [34]
3 years ago
10

Students are testing the james river for dissolved-oxygen levels. They test in the blue ridge mountains,at the rivers source,and

in Richmond Virginia,a highly populated area. What is the independent variable in this experiment?
Biology
2 answers:
iogann1982 [59]3 years ago
5 0

Answer: 21 holes

Explanation:

Yes

kykrilka [37]3 years ago
3 0
The oxygen levels I think
You might be interested in
Within eukaryotic cells, there is an intricate network of _______ with unique functions.
Tcecarenko [31]
<span>Within eukaryotic cells, there is a network of organelles which have unique functions.
An organelle is termed as a specialized subunit within a cell which has specific functions and their functions are very vital for a cell to live. Organelles can be identified by microscopy and purified by cell fractionation.
 In eukaryotic cells has many types of organelles. Larger organelles which are found in eukaryotic cells are visible with the light microscope, for example, vacuole and nucleus.
Some of the major eukaryotic organelles include plastid, endoplasmic reticulum, flagellum, mitochondrion, vacuole, nucleus and Golgi apparatus</span>
8 0
4 years ago
Read 2 more answers
What is the primary reason that species are overharvested?
son4ous [18]
<span>Market demand for goods associated with a species.</span>
7 0
4 years ago
Humans are more like<br> animals such as rabbits than plant's<br> because
Serhud [2]

Answer:

We are made of animal cells.

Explanation:

6 0
3 years ago
What do producers do with carbon? (little information needed)
alekssr [168]

Answer:

They transform it into oxygen through cellular respiration

Explanation:

4 0
3 years ago
Read 2 more answers
Faciliated diffusion is
BartSMP [9]

Answer:

Facilitated diffusion (also known as facilitated transport or passive-mediated transport) is the process of spontaneous passive transport (as opposed to active transport) of molecules or ions across a biological membrane via specific transmembrane integral proteins.

Explanation:

From Wikipedia

7 0
3 years ago
Other questions:
  • Bailey leads a very stressful and busy life. She often eats fast food meals that are low in vitamins and fiber. Lately, she has
    9·2 answers
  • The fibrous skeleton of the heart functions in all of these ways except in __________.
    13·1 answer
  • Recessive genes will always be masked by dominant genes. This is Mendel's principle of segregation, recession, or dominance
    12·2 answers
  • All DNA from every living organism contains the same ____ just in a different order."
    5·1 answer
  • Society expects scientists to follow ethical practices and meet many ethical standards. Which is an example of one of these ethi
    14·2 answers
  • Gibbons are small apes that live in the trees of southeast Asia. A scientist predicts that at the current rate of deforestation
    6·2 answers
  • How many degrees Fahrenheit has the temperature in Alaska risen over the last<br> 40 years?"
    14·1 answer
  • List 5 reservoirs of Carbon.
    15·1 answer
  • You are looking to withdraw some blood-forming tissue for a transplant. You would want to take this tissue from​
    8·1 answer
  • Which of the following does NOT describe the plasma membrane?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!