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Vertebrates

by: rika, 18 pages

In a modern system of classification, all animals can be divided into two groups – vertebrates and invertebrates. Vertebrates are animals that have a skeleton inside their bodies. ...

Marine and Aquatic Mammals

by: rika, 7 pages

A marine mammal is a mammal that lives in salt water (like the ocean). Some examples of marine mammals are dolphins, seals, and polar bears. An aquatic mammal is a mammal that lives in fresh water ...

FACT SHEET Soil Erosion

by: rika, 2 pages

Soil erosion is a process that occurs when soil particles move and are deposited across land because of water, wind, ice, or gravity. Water and wind erosion are the most serious types of erosion.

Acid Rain

by: rika, 2 pages

Acid rain is rain that has been made acidic by certain pollutants in the air. Acid rain is a type of acid deposition, which can appear in many forms. Wet deposition is rain, sleet, snow, or fog that ...

Acute Lymphocytic Leukemia

by: rika, 16 pages

Acute lymphocytic leukemia (ALL) is also known as acute lymphoid leukemia or acute lymphoblastic leukemia. Nearly 75% of childhood leukemias are of the ALL type. Malignancies in this disease can ...

Facts about Meningitis

by: rika, 1 pages

Meningitis is an infection of the fluid of a person’s spinal cord and the fluid that surrounds the brain. Meningitis is usually caused by a viral or bacterial infection. Knowing whether the ...

Non-cognitivism and Motivation

by: rika, 8 pages

Non-cognitivism, by contrast, is the view that moral judgments are identical with or are expressive of ‘attitudes’, which are thought of as mental states, such as pleasures, which at ...

Hazardous Waste

by: rika, 18 pages

A hazardous waste can be a liquid, solid, or gas that is acutely or chronically hazardous to human health if not managed or handled properly. By definition, these substances may be toxic, corrosive, ...

BLUE LOTUS

by: rika, 4 pages

(Blue Lotus) is often confused with Agapanthus africanus (Blue Lily). Though the two plants look nothing alike (aside from being blue), both Nymphaea caerulea and Agapanthus africanus are sometimes ...

Insomnia

by: rika, 1 pages

Insomnia is the most prevalent sleep problem for America’s adults. According to the National Sleep Foundation polls, nearly 6 out of 10 men and women – 126 million people – ...

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