Explanation:
Groundwater is the freshwater present below the earth's surface. It originates from the rain, ice, melting snow.
Some anthropogenic sources of groundwater pollution are
Groundwater pollution has more problems than surface water pollution because groundwater is mostly hidden and it is very difficult to view, manage and monitor.
Groundwater holds its contamination and pollutants that cause pollution whereas surface water rinses their contamination and pollutants.
Answer:
The stages of human life can be written as:
- Infancy: It is the time period between birth and the age of one year.
- Toddlers: It represents the child between 1 to 3 years of age.
- Childhood: Children between the age group of 4 to 8 years old are referred to being in childhood.
- Puberty: It is the time period in which children mature sexually. It represents the children which are 9 to 13 years old.
- Adolescents: These are also termed as teens as the age bracket is thirteen to eighteen years old.
- Adulthood: The age range from 19 to 50 years.
- Old age: It represents the people which are 51 plus in age.
Answer:
The right answer for the blank is cleavage.
Explanation:
After fertilization the next step is cleavage in which zygote divide mitotically. As the embryo move from oviduct down the fallopian tube it divide into two cell and then four cells. four cell embryo is known as blastomere.
Answer:
Body tube (Head): The body tube connects the eyepiece to the objective lenses. Arm: The arm connects the body tube to the base of the microscope. Coarse adjustment: Brings the specimen into general focus. Fine adjustment: Fine tunes the focus and increases the detail of the specimen
Explanation:
Hello,
Chemical weathering can be considered by the "rusting of rock".
Weathering can be described of the breaking down of rocks and other materials on the Earth's surface. There are three types of weathering: mechanical, chemical, and biological. Mechanical weathering is the type of weathering in which rock is physically broken into smaller pieces. Chemical weathering is the type of weathering in which chemical changes break down rock. Biological weathering is the type of weathering in which animal, plant, and microbes means weaken and or disintegrate rock.
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