The optical fibers,we studied that in chemistry
Established of a community in an area of bare Rock or bare sand where no topsoil is present
Correct answer: B) Production of gametes and hormones
The male reproductive system include a number of sex organs that play an important role in the human reproduction. All the male organ are located either on the outside of the body or within the pelvic region.
Male reproductive system includes external genital organs and internal genital organs . The external genital organs consists of penis, scrotum and internal genital organs include epididysis, accessory gland and vas deferens .
The main function of male reproductive system is the production and secretion of male sex hormones like testosterone which is required to maintain male reproductive system. It help in the production and transportation of sperm and discharge them in to the female reproductive system at the time of intercourse.
Swollen lymph glands are symptoms of stds is false .
People are supercharging the natural greenhouse effect, which raises the earth's temperature, if the amount of industry and auto emissions increases and more carbon dioxide is released into the atmosphere.
<h3>How do carbon emissions grow over time?</h3>
Nearly all of the 150-year rise in greenhouse gases in the atmosphere is a result of human activity. Burning fossil fuels for transportation, electricity, and heating accounts for the majority of greenhouse gas emissions caused by human activity in the United States.
<h3>How do emissions affect the environment?</h3>
They contribute to respiratory problems from smog and air pollution, and they influence the climate by trapping heat. Other consequences of climate change brought on by greenhouse gases include more wildfires, extreme weather, and interruptions in the food supply.
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