I think you meant element?
Then it is Krypton because it is in period 4 in group 18, the noble gases.
Thy decompose dead organisms, and it turns into better soil.
Answer:
Doctors may try to stimulate spermatogenesis by prescribing the person, an estrogen receptor blocker, which leads to the stimulation of the hypothalamus and pituitary gland in the brain. This stimulation results in the generation of FSH and LH hormone production.
They release both hormones follicle-stimulating hormone (FSH) and luteinizing hormone (LH). The production of these hormones will start the production of the sperm
Facial hairs are related to the specific hormones during puberty, Androgens are male sex hormones, including testosterone. These hormones are related to the production of sperm, masculinity, and facial hair.
I am so positive it’s D because that’s the only one that makes sense. Trust me
The oogamous organisms are those who practice the oogamy form of reproduction. The oogamy is a form of heterogamy (the male and female gametes are different) where the female gamete is much larger than the male gamete. In such organisms, the female gamete (egg cell) is produced in smaller number while the male gametes (sperm cells) are produced in much larger numbers.
Hence, the blanks can be filled with 'egg and sperm' respectively.