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"
Answer:
e. carpel and stamen is the correct answer.
Explanation:
- The reproductive parts of an angiosperm are the carpel and stamen.
- Angiosperms are the flowering plants that bear seeds.Examples of angiosperms are: Apple, Brinjal.
- The stamen function is to produce and it is a male reproductive structure.
- Stamen consist of two parts:
- Anther
- Stalk
- Carpel function is to produce egg cells and to protect the developing embryo and it is female reproductive structures.
- Carpel has three parts:
- stigma
- Style
- Ovary
<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>
I think its because when your upside down, your not breathing right. So its a way of trying to breathe correctly.
