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
babymother [125]
3 years ago
11

Why is bicarbonate is mixed with water in the leaf disc experiment?

Biology
1 answer:
amm18123 years ago
5 0

Answer:

When sodium bicarbonate is added to the water, the bicarbonate ion acts as a carbon source for photosynthesis causing the leaf disks to sink. As photosynthesis proceeds, oxygen is released into the interior of the leaf, which changes its buoyancy causing the disk to rise.

hope this helps :)

You might be interested in
Who first observed bacteria in 1676?
Elena L [17]

Antoine van Leeuwenhoek

4 0
2 years ago
What are the differences between homo habilis and homo erectus?
igor_vitrenko [27]
The difference between the Homo Erectus and the Homo Habilis is that, the Homo Erectus has Long bones and bigger muscles than the Homo Habilis, they also have l<span>arge brow ridges and a receding forehead, they do not have a chin, and lastly, they Homo Erectus are known to have a Bigger brain.</span>
5 0
3 years ago
How might the increase of volcanic eruptions affect Earth?
vodka [1.7K]
If enough ejecta (mainly ash) is sent into the upper atmosphere, the dust particles will block solar energy causing a decrease in temperature. This has happened in the past. Look for the year without summer caused by a volcanic eruption.
5 0
3 years ago
Would anyone be willing to check an environmental science quiz for me? Ive already answered them, I just need to make sure theyr
Radda [10]
I can try. What are the questions? 

7 0
3 years ago
Using a dendritic cell as an example, put the following steps of the activation of cytotoxic T cells in the correct sequence: I.
Veseljchak [2.6K]

Answer:

Answer is ii, i ,iv, iii.

Explanation:

The dendritic cell originates from the bone marrow, and enters the tissue as immature dendritic cell by migrating from the bone marrow.

The dendritic cells are antigen - presenting cells, which are called accessory cells, of the mammalian immune system.

5 0
3 years ago
Other questions:
  • What are three terms used to describe organisms such as cows
    9·1 answer
  • Non-nutrient compounds that are biologically active and found in foods such as tomatoes, chocolate, red wine, blueberries and sp
    11·2 answers
  • What kind of mathematics do scientists use to analyze data?
    13·1 answer
  • Insertion of a narrow flexible tube, or catheter, through a blood vessel into the heart to withdraw blood samples, measure press
    7·1 answer
  • Plasma can be found in: lightning neon lights stars all of the above
    10·2 answers
  • I'm having a hard time choosing between option 3 and 4​
    5·2 answers
  • When two or more elements bond together in definite proportions they form a
    5·2 answers
  • PLEASE ANSWER FAST! 20 POINTS AND WILL GIVE BRAINLIEST
    13·2 answers
  • A pot-bellied piglet presents with a history of hair loss and severe itching. You help the doctor perform a skin scraping around
    9·1 answer
  • How does energy flow in a food chain or web? What happens as it moves up in trophic levels
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!