Why is the alpine tundra biome worth protecting WELL GIVE BRAINLIEST IF YOU CAN HLO ME

1 answer:

3 0

Struggled with this earlier but because of the high altitude only some animals can live there and thrive because of the lower oxygen levels

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The cause of the phases of the moon is a cycle that is close to how long

AnnZ [28]

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The lunar phases gradually change over the period of a synodic month (about 29.53 days), as the orbital positions of the Moon around Earth and of Earth around the Sun shift. The Moon's rotation is tidally locked by Earth's gravity; therefore, most of the same lunar side always faces Earth.

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3 years ago

The electrons between atoms in metallic bonds

Step2247 [10]

B, metals, nonmentals all bond to be stable

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25POINTSHELP ExampleS of how conditions on Earth would worsen if greenhouse gases increase.

Otrada [13]

ExampleS of how conditions on Earth would worsen if greenhouse gases increase.

Increase Surface Temperautre
Heats The Oceans
Melts Polar Ice

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3 years ago

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A polypeptide only becomes a functioning protein after it has folded into its exact 3D shape.

makkiz [27]

True. A protein becomes functional only when it reaches its tertiary shape (3D). It is not necessary for the protein to reach the quaternary stage, but that is just a more complex functioning protein. It really is just two tertiary merged together. Example is red blood cells.

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The light-independent reactions of photosynthesis, also known as the Calvin cycle, use and produce a variety of molecules. Sort

Margaret [11]

Molecules brought in and used in the calvin cycle - Carbon dioxide $(CO_2)$ , Ribulose bisphosphate (RuBP)

Molecules produced during the calvin cycle that leave the cycle - a few of the glyceraldehyde-3-phosphate (G3P), NADP+

Molecules used and regenerated within the calvin cycle - most of the Glyceraldehyde-3-phosphate (G3P) , NADPH

<u>Explanation:</u>

Calvin cycle is the light independent reaction that takes place in the stroma of the chloroplast. Calvin cycle uses ATP and NADPH produced during the light reaction. Calvin cycle occurs in 3 steps, they are:

1. Carbon fixation - $(CO_2)$ combines with Ribulose bisphosphate (RuBP) to form 2 molecules of 3-phosphoglyceric acid (3-PGA).

2. Reduction - ATP and NADPH is used to convert 3-PGA into glyceraldehyde-3-phosphate (G3P).

3. Regeneration - some G3P molecule form glucose while other regenerates to form RuBP acceptor.

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