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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.

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Human Impact on the Environment
irga5000 [103]

Answer:

Human impact on the environment.

Explanation:

Human is the main responsible for the change in the environment. Human activities causes severe damage to the environment. The habitat of different species were destroyed by human for its own purpose. Large number of forest were eliminated for making land suitable for construction and living. Due to vehicles and industries, large amount of carbondioxide is emitted in the atmosphere which contribute in rising the temperature of the earth atmosphere. This global warming change the habitat of different organisms and these organism will die or migrate to other suitable places. Acid rain also occurs due to the emission of CO2, CO and SO2 from vehicles and industries.   This acid rain causes adverse effect on the animals, plants and infrastructure or buildings.

7 0
3 years ago
A tectonic plate is part of the Earth's lithosphere and can be best described as
just olya [345]

Answer: is this what ur looking for?

1. Plate tectonic - continuing process in which sections (plates) move, instigating volcanoes and earthquakes, mountain construction and trench development.

2. Mid – ocean ridge - common type of divergent boundary.

3. Subduction - one plate sinks under another plate down into Earth's mantle, simple development alongside a convergent boundary.

4. Transform boundary - creating various earthquakes.

5. Rift valley - volcanoes and earthquakes shared and may developed low-lying comprising water.

I just took notes on this yesterday and got 110%

Explanation:

Hopefully this helped if not HMU and i will try my best to get u a better answer! :)

7 0
3 years ago
Read 2 more answers
Cells get energy from minerals like sodium and potassium true or false
yuradex [85]

Answer:

cells can get energy from minerals

Explanation:

True

7 0
3 years ago
What is a major advantage of the missionary position of sexual intercourse?
Scilla [17]
One advantage would be fertility
6 0
3 years ago
A family pedigree shows how a particular mutation affects individuals and their offspring. Horizontal lines connect parents, whi
klasskru [66]

Answer:

try D

Explanation:

6 0
3 years ago
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