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Alborosie
2 years ago
15

Demographic transitions is change from high birthrates and high death rates to

Biology
1 answer:
asambeis [7]2 years ago
3 0
<span> to low birth and death rates, as observed in the history of more developed countries.</span>
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Iron rich deposits that formed about 2 billion years ago have red layers. Layers formed before then were not red. The red layers
Amanda [17]

Answer:

D. The biosphere change the lithosphere

Explanation:

The red formed due to oxygen which is produced by plants in the process of photosynthesis. This oxygen then reacted with iron atom and formed oxidized iron layers of sedimentary rock. So here plants are responsible for the formation of these layers and we considered plants as part of biosphere so we can say that biosphere is responsible for the change of lithosphere.

3 0
2 years ago
What are the levels of organization in biotic factors?
Nuetrik [128]

Nivel subatómico: lo integran las partículas más pequeñas de la materia, como son los protones, los neutrones y los electrones.

Nivel atómico: lo componen los átomos, que son la parte más pequeña de un elemento químico que puede intervenir en una reacción.

Nivel molecular: está formado por las moléculas, que se definen como unidades materiales formadas por la unión, mediante enlaces químicos, de dos o más átomos, como por ejemplo una molécula de oxígeno (O2) o de carbonato cálcico (CaCO3).

Espero te sirva

7 0
2 years ago
Where do xylem transport water?
amid [387]
Answer D is correct, Wikipedia says that they move water from roots to stems and leaves.
7 0
3 years ago
Read 2 more answers
_________ allows competitors to coexist.
ladessa [460]

Answer: Resource partitioning

Explanation:

In order to make organisms of different species (competitors) coexist, limited resources are to be divided with a ecological area.

Organisms of same species could be made to live together, so as to reduce wastage of limited resources

6 0
3 years ago
A cell conducts endocytosis by _____.
kondaur [170]
<span>Phagocytosis and pincytosis </span>
3 0
3 years ago
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