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Ipatiy [6.2K]
3 years ago
5

Lactic acid fermentation in humans can lead to cramping due to lack of

Biology
1 answer:
garri49 [273]3 years ago
8 0
If there is no oxygen , the cells go through anaerobic respiration which leads tot he build of lactic acid in the muscles. This is why we get sore and feel the burn during a workout.
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Fossilized stromatolites
Cerrena [4.2K]

Answer:

(B) resemble structures formed by bacterial communities that are found today in some shallow marine bays.

Explanation:

Extant stromatolites represent real "living fossils" for they are decendents of ancient forms that are associated with one of the first living forms on earth. Particularly, stromatolites are real bacteria communities where the autotrophic organism of the community are represented by cyanobacteria, which live along with heterotrophic bacteria. This clearly indicates that fossilized stromatolites points to bacteria (prokaryotes) as the first living things on earth (dated with not less than 3.5 billion year old)

Nowadays, stromatolites with cyanobacteria allows to reconstruct and understand fossilized forms. These current structures live in shallow marines ambients (e.g. Australia) but also in continental salt flats (e.g. Argentina) where few others bacteria can survive to these extreme conditions (high light exposure and salt concentration).

6 0
3 years ago
Te gradient of a stream depends on its A. stream channel. B. speed. C. bass level. D. bank level
kotykmax [81]
C. Bass level
Hope it helps
8 0
3 years ago
Read 2 more answers
raden-222 is a naturlly occuing isotope with a half life of 3.8 days if 4.0g of raden 222 gas wewre pumped in a container then h
svlad2 [7]

1.0g

7.6/3.8=2

1. 4/2=2

2. 2/2=1

4 0
3 years ago
How is modern Earth different from Earth over four billion years ago?
Alex_Xolod [135]

Answer:

c and b

Explanation:

cause I believe that because of the populations and polutions that is cause of humans we are now lack of protective shield and green gases within our atmosphere

5 0
3 years ago
Read 2 more answers
Part B: Research (11 points) In part B you will be doing some research on desertification.
Goryan [66]
Okay so northern Africa and the Sahara desert is the best example of desertification.
2 ways humans have contributed to that is: 1) pastoral nomadism 2) little to no settlements to increase water supply 

how it impacted the environment: so now the environment there is sandy, only organisms adapted for those extreme environment can live there ex. camel, cactus, etc., 

how it impacted quality of life: quality of life diminished, not enough water to sufficiently feed the populations, people live in extreme poverty, people are moving away, and the climate is very dry and hot, pretty much not a place anyone would want to live

http://eden-foundation.org/project/desertif.html

https://www.sciencedaily.com/releases/2017/03/170314111320.htm


8 0
3 years ago
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