After the star's outer layers are expelled, the density of the remaining material is typically too low to provide adequate energy to sustain the hydrogen-burning shell's nuclear temperatures, and the remaining star easily contracts to form a white dwarf (a star with a density equal to the Sun, but a diameter equal to the Sun).
<span>Here are some advantages:
1. it can create new varieties of good crops.
2. it allows for higher profit.
3. it does not have a issue of safety.
4. it helps eliminate diseases
5. it can produce fitter and stronger animals
Here are some disadvantages:
1. it can lead to a loss of species variety
2. it doesn't have control over genetic mutations
3. it brings discomfort to animals
4. it can create offspring with different traits
5. it poses some environmental risks</span>
Answer:
T3 (tri-iodothyronine) and T4 (thyroxine).
Explanation:
You have a middle names because when you are born or even before your parents pick a name for youa first name and it is up to your parents when you are born you either dont or do get a middle name.