Glands secrete an oily substance into the hair follicles and onto the surface of the skin.

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement