menstruation

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September 23, 2021

Important Processes of Reproduction

When both the ovaries are fully mature, they alternatively produce ova at the interval of 28 days. Release of ovum into the uterus through the fallopian tube is called as ovulation.

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November 28, 2020 Recommended

Burning of Those Dry Fallen Leaves of Trees

It is reported that about 30 million tones of dry leaves are dumped into landfills every year in America. In India most of these leaves are either burnt on the floor where they fall or collected by poor people and stored for burning during winter season to generate heat.

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May 20, 2022 Recommended

Sharifa, the Annona squimosa

Sugar apple or Sharifa is the fruit of taxonomically known tree Annona squamosa. It is native to tropical climate in the Americas and West Indies.

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September 1, 2021 Recommended

Reproduction and Variations

Living beings develop their population through reproduction. But reproduction is the process through which different traits appear in living beings. Variation is essential for evolution

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September 9, 2022 Recommended

Habitat Destruction

Nearly half of the planet’s plant and animal species live in Rainforests. Less than 2.5 billion acres of Tropical Forest have remained out of four billion acres on the Earth within a few hundred years.

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October 28, 2024 Recommended

Direct causes of the loss of biodiversity

Species become endangered due to both natural and anthropogenic causes. Since man has no control over natural causes, we should consider anthropogenic causes only. Anthropological causes may be classified into two fundamental categories: Direct Causes and Indirect or underlying causes.

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August 11, 2022 Recommended

Applications, Potential and Limitations of solar energy

There are various uses of Solar Energy. Farmers in Traditional Farming Communities used to solarise fields by living them empty after a deep ploughing during summers. It killed insects and pests. Human skin synthesizes vitamin-D when exposed to sunlight for short durations. Mothers used to make their babies sleep in the sun after oiling their bodies during winters in order to keep them healthy and strong.

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August 19, 2022 Recommended

Hunger, Famine, and Nutritional Deficiency Diseases

People who suffer from hunger remain undernourished. They don’t get enough food to eat. As such they don’t get energy, they need to live active lives. Undernourished persons remain unable to study, work or otherwise perform physical and mental activities. This condition is especially hard for women and children. Continuous hunger weakens the immune system and makes them vulnerable to diseases and infections. Mothers who suffer continuous hunger often give birth to underweight and weak babies, and they face increased risk of death.

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