What causes the seasons? Please use two complete sentences

2 answers:

7 0

Answer: The seasons are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels through its year-long path around the sun. The Earth has a tilt of 23.5 degrees relative to the "ecliptic plane" (the imaginary surface formed by it's almost-cicular path around the sun).

Explanation:

Natali [406]3 years ago

3 0

The earth moves closer to the sun and we get summer. then when the earth moves further from the sun, we get winter.

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You are interested in studying a gene called CFTR because mutations in this gene in humans cause cystic fibrosis. You have made

Juliette [100K]

Answer: Both the mouse and human beings are encoding the proteins having similar functions.

Explanation:

The CFTR gene in the mouse and CFTR gene in the human beings encode proteins that perform similar function,this is so because if the results are same then it means that both mouse and human beings are encoding the protein that have similar function.

Option A is incorrect because both humans and mouse are eukaryotes so they have introns and because of that even if the gene sequences are different they can still encode protein.

Option B is incorrect because amino acid sequences can be similar inorder to have the similar function. If glutamic acid is replaced by aspartic acid, it won't have different function the function will remain same. So, identical amino acid sequences are not required. They can be similar too.

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2 years ago

Did the soil increase in the hubbard brook experiment

Sveta_85 [38]

It increased slightly if you measure precisely but if you round it did not

6 0

3 years ago

What is this an example of? O adaptation O biodiversity O isolation O variation

Mashutka [201]

Explanation:

1] ADAPTATION : WE HAVE BEEN ADAPTING A DOG AS A PET.

2] BIODIVERSITY : BIODIVERSITY IS THE VARIABILITY AMONG LIVING ORGANISMS FROM ALL SOURCES INCLUDING TERRESTRIAL, MARINE, AND OTHER AQUATIC ANIMALS