Endocrine glands are those that release regulatory chemicals inside the body. Choices A, B, and D are examples of endocrine glands. C mentions sebaceous glands, which are found in the epidermis of the skin and secrete sebum (skin oils) onto the surface of the skin. They have no regulatory function, other than to lubricate and protect the skin. Sebaceous glands are exocrine glands, and are not part of the endocrine system.
The dynamo theory states that earths magnetic field is created in the layer known as the core.
microbes made beverage and food go bad
Darwin's theory. In 1859, Charles Darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation.
