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Arturiano [62]
1 year ago
12

.tcji No thx I'm fine again

Biology
2 answers:
dsp731 year ago
7 0
Please help me with my question
jasenka [17]1 year ago
5 0
I meed hellp pwease and thank you
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You find a fossil in your backyard. Twelve percent of the Carbon 14 isotope is remaining. How old is the fossil?
In-s [12.5K]

Answer:

it has many years on it

Explanation:

it is old so it is not new

5 0
3 years ago
What is alveoli??????<br>explain <br>k.o.i. h​
marissa [1.9K]

Answer:

Listen to pronunciation. (al-VEE-oh-ly) Tiny air sacs at the end of the bronchioles (tiny branches of air tubes in the lungs). The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out.

5 0
2 years ago
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Do all the days of the year have the same amount of daylight? yes or no how?
Ket [755]

Answer:

No

Explanation:

Atmospheric refraction raises the sun about 1/2 degrees upward in our sky at both sunrise and sunset. This advances the time of actual sunrise, while delaying the time of actual sunset. This gives several minutes of extra daylight, not just at an equinox.

4 0
2 years ago
Plz help me with these questions
bearhunter [10]

Answer:

heat energy

Explanation:

7 0
2 years ago
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What statement most directly demonstrates a way that the geosphere is involved in the nitrogen cycle
Ulleksa [173]

B. bacteria that convert ammonia into nitrites and nitrates are found in the soil  

This statement best demonstrates a way that the geo-sphere is involved in the nitrogen cycle.

A nitrogen cycle is defined as the movement of nitrogen between the atmosphere, biosphere, and geo-sphere in different forms. Ammonia is converted to nitrates by nitrifying bacteria in the soil. Then the plants absorb these nitrates from the soil and use these to build up proteins.


6 0
3 years ago
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