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Elina [12.6K]
4 years ago
11

What creates seasons ?

Biology
2 answers:
Ymorist [56]4 years ago
6 0
Are caused by the tilt of the Earth's rotational axis away or toward the sun as it travels around the sun
frez [133]4 years ago
4 0
The seasons are caused by the tilt of the Earth’s rotational axis. According to a resource, the Earth has a tilt of 23.5 degrees relative to the ecliptic plane. :) hope this helps!
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Scientists now know how much carbon dioxide was present in the atmosphere as far back as 800,000 years ago. How did they obtain
sertanlavr [38]

Answer:

Ice core records.

Explanation:

  • The origin of man took place about 200,000 years ago and looking at the records that are stored in the ice cores before the existence of man which were found by the deep drilling of the antarctic and Greenland shows that how the temperatures have changed and as the example of the carbon in the air.
  • As in the 800,000 years go the Carbon dioxide levels were on average of 170 to 280 ppm and now they have crossed the 400 ppm mark also at that time the sea levels were high as 80 feet and now are more than 100 feet.
3 0
3 years ago
Read 2 more answers
Explain the difference between periods and groups and what each tells you about the atom
Rasek [7]

Answer:

Groups and periods are two ways of categorizing elements in the periodic table. Periods are horizontal rows (across) the periodic table, while groups are vertical columns (down) the table. Atomic number increases as you move down a group or across a period.

4 0
3 years ago
Read 2 more answers
Out of the list of biological systems what are two of them and how are these two independent from one another?
Daniel [21]

the circulatory, respiratory, muscular, digestive, integumentary, endocrine, reproductive, and nervous systems. All of these systems have specific functions but they cannot function independently. They rely on all the other systems in order to work properly.

3 0
3 years ago
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How many CO2 molecules are produced when three glucose molecules undergo cellular respiration? Explan ​
Svetlanka [38]

Answer:

<u>18 molecules of </u>CO_{2}<u />

Explanation:

In heterotrophic nutrition, organisms ingest or absorb food made by autotrophs to obtain energy. Planta and other photosynthesizing organisms make sugars via photosynthesis, in a form of (partly) light-dependent biosynthesis.

In mitochondria, they break down sugars through aerobic respiration. For the sugar glucose, this results in the production of carbon dioxide and water along with energy in the form of ATP or adenosine triphosphate.  

C6H12O6 (glucose) + 6 O2 → 6 CO2 + 6 H2O + ≅38 ATP

glucose+ oxygen →  carbon dioxide+ water+ energy

For 3 molecules of glucose, multiply the number of reactants and products...

(C6H12O6+ 6 O2 → 6 CO2 + 6 H2O + ≅38 ATP ) x 3

Thus...

3 C6H12O6+ 18 O2 → 18 CO2 + 18 H2O + ≅114 ATP

7 0
3 years ago
The diagram shows the five kingdoms of life. The place where the circles intersect include
Dimas [21]
Well it’s not the prokaryotes because that’s bacteria and archaea. Eukaryotes is your best bet because the two do fall under that category.

When it comes to the multicellular or unicellular protists are MAINLY unicellular while plante, animalia and fungi only are all multicellular so if they were in the same circle that’s probably while they are separated in the first place.

I would pic eukaryotes!
Hope this helps!
7 0
3 years ago
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