Answer:
Option B, It was made in stars that lived before the solar system formed.
Explanation:
Almost all the carbon that exists today with in the living organisms was produced in the stars. When these stars exploded during the big bang theory all the carbon within hem was introduced in the environment of earth some billions of years ago. Hence , though carbon introduced in earth’s environment was due to big bang, its origin is from the stars. Hence option B is the correct answer
Cyanobacteria is responsible for generation of oxygen on planet earth and thus option D is in correct.
I believe the answer is anaerobic respiration. Sorry if that’s wrong though! :)
Answer:

Explanation:
- <u>A Lake Is -Not- A Biome</u>
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Biomes: T<u>emperate Deciduous Forest, Coniferous Forest, Woodland, Chaparral, Tundra, Grassland, Desert, Tropical Savanna</u>
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A lake is not a biome. A lake can be found in a biome, but a lake is not itself a biome. A biome is a community of plants and animals that have common characteristics for the environment they exist in. Yes, similar species can be found living in a lake, but a lake can be found in a particular biome where there are lots more of the same species.
- Mordancy
Answer:
ecent advances in stem cell biology have changed the current face of.The embryonic development of mice and humans are considerably different and the mitophagy theory, thus proving once again that stem cell derived human.
Explanation:
Answer:
im not sure BUT...
Explanation:
Maybe try go ogle? Dont doubt yourself oyull do fine! Just trust yourself!