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e-lub [12.9K]
3 years ago
6

PLEASE HELP ME ITS DUE TODAY PLEASE YOU DONT HAVE TO AWNSER THEM ALL

Biology
1 answer:
dybincka [34]3 years ago
7 0

Answer:

1 = A

2 = B

3 =  B

Explanation:

1) Black holes occur when really big stars collapse on themselves. And, in order to get big, the star has to be an old one.

2) A black hole is something huge that swallows up everything, while a protostar is just the very beginning of a star.

3) Scientist can't truly know for sure, but they can infer about them due to the effects of the surrounding areas.

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Which will most likely result if the levels of dissolved oxygen decrease in a body of water?
iogann1982 [59]
B) Native fish species will begin to decrease in population size.
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What is unusual about the genetically-inherited mitochondrial disease LHON as compared to the genetically-inherited disease sick
Schach [20]

Answer:

Explanation:

LHON (Leber Hereditary Optic Neuropathy): Is a disease that is characterized by loss of vision in young adults.

Sickle cell anemia: Is a disease characterized by production of abnormally shaped red blood cells, that is, not round in shape as normal but are 'sickle' shaped or elongated/crescent shaped.  

Both diseases are heritable But LHON is caused by mutations existing in the mitochondrion thus only inherited maternally.

Sickle cell anemia is caused by mutations in the HBB gene which produces the beta subunit of hemoglobin. It is inherited from recessive genes of both parents.

5 0
2 years ago
ASAP
nignag [31]

Answer:

c

Explanation:

4 0
2 years ago
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Science is best known for
andreyandreev [35.5K]

Science is best known for logics.

Science is so interesting such that it method of processing and validating logics and facts with verifiable hypothesis and experimental evidence.

This scientific method is also an empirical method of acquiring knowledge which simply involves making observation, establishing hypothesis, designing experiment, analysing result and drawing conclusions.

A hypothesis is a reasonable explanation for a particular observed natural phenomena.

<h3>What is science?</h3>

Science can simply be defined as the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.

So therefore, science is best known for logics

Learn more about science:

brainly.com/question/17216882

#SPJ1

8 0
1 year ago
Cohesin
slavikrds [6]

Answer:

C

I inserted an image for reference.

4 0
3 years ago
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