Smoking and drinking can cause major birth defects. It can also cause the baby to be very sick when it is born, and have a near death experience.
depending on the amount of intake, the baby could also be born addicted to either one. It is very dangerous to drink or smoke during the development of a child.
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Answer:
Haploid cells are produced when a parent cell divides twice, resulting in two diploid cells with the full set of genetic material upon the first division and four haploid daughter cells with only half of the original genetic material upon the second.
Answer:
Since the origin of humans on this planet, they have been trying their best to make their lives easier on this planet. In doing so, human activities have some how heavily damaged the Earth. Many day to day activities of humans are dangerous for the Earth.
Some of the consequences of human activities on the Earth's fresh water are :
Extinction of many aquatic species:
The water consumed by humans comes from the fresh water oceans. As the population of humans is increasing enormously, the water from the oceans is being consumed at dangerous levels. This has caused many species of aquatic animals to become extinct or to be at a verge of extinction as they do not have a habitat to survive or reproduce.
Pollution:
Many heavy industries, house sewage, farmers dispose waste into the fresh water. Hence, killing aquatic animals and polluting the fresh water ecosystems.
Oxygen is used for breathing
Chlorine is used for purifying water
Nitrogen is used for plants
Potassium is used in fertilizer
