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
PLEASE HELP! IT IS DUE IN 5 MINS
romanna [79]

Answer:

sorry I don't think I can do it that fast

Explanation:

4 0
3 years ago
In diffusion and osmosis what happens to the concentration of water inside each cell
avanturin [10]

diffusion is the movement of molecules or stuff through the cell membrane

osmosis is the movement of water

water move from high contration to lower concentration

the there is salt outside of the cells the water will move out of the cell membrane and if there is salt inside the cells the water will move into the cell

6 0
3 years ago
Imagine that a developer came in and built a large mall and parking lot on top of the sandy soil in your example. How do you thi
Anit [1.1K]

Answer:

The mall and parking lot are not built on a solid foundation.

Explanation:

Sandy soil can erode and possible destroy the mall and parking lot will start deteriorating because of the poor choice of trying to save money but in the long run it will cost more to rebuild on a sold foundation.

8 0
3 years ago
What is a qualitative observation?
ad-work [718]

Answer:

A qualitative observation involves the use of five sensory organs, sight, smell, taste, touch, and hearing, and their function to examine the attributes. Being subjective in nature, it focuses on the characteristics and qualities of the variables rather than the numerical value.

Explanation:

mark as a brainliest answer if it helps you

6 0
2 years ago
Read 2 more answers
Which skull bone is part of the facial bones and contains teeth?
Vika [28.1K]

Answer:

The anterior skull consists of the facial bones and provides the bony support for the eyes and structures of the face. This view of the skull is dominated by the openings of the orbits and the nasal cavity. Also seen are the upper and lower jaws, with their respective teeth

7 0
3 years ago
Read 2 more answers
Other questions:
  • Which step involves water changing from a liquid to a gas​
    6·2 answers
  • Help me now please!!!
    7·2 answers
  • How have humans increased their biotic potential and carrying capacity?
    13·1 answer
  • What do the carbon, nitrogen, hydrologic, and mineral/phosphorus cycle all have in common?
    12·1 answer
  • Coral reefs are ideal breeding grounds for a variety of fish and sea creatures, and coral is considered a foundation species. Un
    10·2 answers
  • How can you tell if an area has high or low pressure?
    9·1 answer
  • Organisms in the clade Ecdysozoa undergo ecdysis to shed what structure?
    14·1 answer
  • What is an anemometer?
    14·2 answers
  • Can someone plz help me? :(
    12·2 answers
  • How might a clogged blood vessel affect the nervous system’s and the endocrine system’s abilities to deliver signals?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!