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
Lyrx [107]
3 years ago
9

Photosynthetic cyanobacteria caused an increase in atmospheric levels of

Biology
2 answers:
goldfiish [28.3K]3 years ago
6 0

C...the key is that they are photosynthetic...so they produce oxygen (like plants)!

Nuetrik [128]3 years ago
4 0

Answer:

C) oxygen

Explanation:

The gaseous product of photosynthesis is oxygen. Cyanobacteria are responsible for much of Earth’s early oxygen.

You might be interested in
Please answer ;-;
miskamm [114]

Answer:

<h3><u>Required Answer</u><u>:</u><u>-</u></h3>
  • To find velocity of a object we need 3 factors
  1. Magnitude
  2. speed
  3. Distance
  • Hence Here both option A and C are correct

3 0
2 years ago
Read 2 more answers
Where does the energy that powers the water cycle come from?
Deffense [45]

<em>tHe energy that powers the water cycle comes from the energy of the sun as the sun evaporates water from the Oceans, lakes, rivers </em>

Hope this helped- have a good day bro cya)

4 0
3 years ago
Read 2 more answers
) Mention two areas where CBT can be used to train people.​
andrezito [222]

Answer:

By office staffs and actors.

Explanation:

Cognitive behavioral therapy (CBT) can be used for the people who work in offices and going to stage for performing the plays. Some people in offices can't do presentation due to low confidence, fear or anxiety so Cognitive behavioral therapy is very effective for them. This therapy can also be used for the people who can't perform plays or acting in front of large audience.

4 0
3 years ago
What happens during the light reaction of photosynthesis?.
Genrish500 [490]

Answer:

Chlorophyll absorbs the red and blue segment of the white light and photosynthesis occurs most efficiently at these wavelengths.

When the light falls on the plant, the chlorophyll pigment absorbs this light and electrons in it gets excited.

This process occurs in a complex protein system which is collectively called as a photosystem.

Explanation:

3 0
2 years ago
10 branches of science first is definition of science
creativ13 [48]

Answer:

ham Bhan k Uthai xeya ta hamra Garmin lagai xa kathi la Kani k bara ma Pharo thanda lagai xai

7 0
1 year ago
Other questions:
  • Which experimental question were the students most likely trying to answer? How does thigmotropism affect plant growth? How does
    8·2 answers
  • Which inner ear organ is responsible for the sensation of rotational acceleration?
    8·1 answer
  • What is the independent variable in this experiment
    11·1 answer
  • Order the steps for vaccination
    9·1 answer
  • When cells perform photosynthesis, they transform energy from one form to another. Which of the following takes place during pho
    6·2 answers
  • DNA technology is used to identify hereditary diseases. DNA technology is used to produce medicines and hormones. DNA technology
    8·2 answers
  • Brainliest if you get it right
    11·1 answer
  • what do the shrimp and fish gain from the shrimp cleaning the fish mouth? why doesn’t the fish eat the shrimp ?
    12·1 answer
  • The author mentions that Shine made several mistakes in her experiment. Describe one major mistake that Shine made.
    13·1 answer
  • When something acts against something, causing it to have less of an effect what is it called?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!