Which kind of reaction won't happen in the core of an ordinary star, and can occur only in supernova explosions, collisions of neutron stars, particle accelerators, and other truly extreme high-energy conditions? Group of answer choices

Fusion of hydrogen atoms.

Fusion of atoms like Carbon and Oxygen.

Fusion of atoms bigger than Iron.

"menstrual cycle is a complex cycle that consists of several processes. order of occurrence of steps in menstrual cycle are as follows:

1. high progesterone levels maintain the endometrium lining of the uterus.

2. endometrium lining breaks down and low levels of estrogen stimulate the pituitary to release fsh and lh.

3. fsh and lh stimulates the follicles to develop and the oocyte to produce estrogen.

4. rising estrogen levels suppress fsh production and development of other follicles.

5. a spike in lh causes follicle to rupture.

6. a breakdown of corpus luteum causes progesterone level to drop."

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