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HOW SOIL IS FORMED
Soil is formed from the gradual breakdown of rock called the bedrock or parent material. The process is known as weathering . DEFINITION OF WEATHERING Weathering is the gradual breakdown of rocks into smaller and smaller particles by agents such as water,temperature,oxygen,wind and roots of plants. TYPES OF WEATHERING Physical weathering. Chemical weathering. Biological weathering.…
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HOW DOES A VOLCANO FORM?
In February, 1943, in the middle of a cornfield in Mexico, people saw a rare and amazing thing taking place. A volcano was being born! In three months it had formed about 1,000 feet high. Two towns were destroyed and a wide area damaged by the falling ash and cinders. What makes a volcano form?…
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HORMONES SECRETED BY THE PITUITARY GLAND
Anterior Pituitary (6 Hormones) Thyroid Stimulating Hormones or Thyrotropin Somototropic or Growth Hormones Follicle Stimulating Hormones Adrenocorticotrophic Hormones Luteinizing Hormones Prolactin Posterior Pituitary (2 Hormones) ADH(Antidiuretic Hormones, A.K.A Vasopressin) Oxytocin
