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nlexa [21]
2 years ago
13

Leaves change colors when they lose

Biology
1 answer:
kari74 [83]2 years ago
7 0

Answer:

D. chlorophyll, is the best answer

Explanation:

In fall, the leaves stop their food-making process. The chlorophyll breaks down, the green color disappears, and the yellow to orange colors become visible

Hope this helps!

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What type of isotope undergoes radioactive decay?
kvv77 [185]

Answer:

one that has an unstable nucleus

Explanation:

An isotope is defined as a chemical variant  present in an atom with different number of neutron but same number of protons.

Radioactive decay is the sudden breakdown of an atomic nucleus allowing matter and radiation to be emitted from the nucleus. A radioisotope with unstable nuclei undergoes radioactive decay because they do not have adequate binding energy to keep the nucleus together. there are four  types of Alpha, Beta, Gamma Decay and Positron Emission.

Hence, the correct option is "one that has an unstable nucleus"

4 0
3 years ago
The reproductive parts of an angiosperm are the _________.
Musya8 [376]

Answer:

e. carpel and stamen is the correct answer.

Explanation:

  • The reproductive parts of an angiosperm are the carpel and stamen.
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  • Stalk
  • Carpel function is to produce egg cells and to protect the developing embryo and it is female reproductive structures.
  • Carpel has three parts:
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  • Style
  • Ovary
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2 years ago
During an evening hike, you see a shooting star just like the one pictured here. In which layer of the atmosphere does this shoo
IgorC [24]
Answer- Mesosphere, I looked at my science book
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<span>vegetative propagation.

Budding and grafting. It is mainly used for propagating a plant. In layering sometimes the portion of the aerial stem grows roots while it is still attached to the main plant and then it is separated from the main plant and allowed to grow on its own. This is another technique used for layering. </span>
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Why do you feel the trachea expand when you're sitting upside down?
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