Scientists use models to them study systems in nature, such as predicting the paths of hurricanes, demonstrating how cell organelles work, or determining the effect building a dam would have on the local ecosystem. explain why models are used in science.

How do you think that attitude affected the outcome of the novel? did the attitude contribute to the fate of the characters ?

Which of the following statements describes the nature of "stigma" as it relates to welfare? a) society values individual characteristics such as self-reliance and a willingness to work hard, welfare recipients are seen as dependent and lazy. b) social welfare hs been polarized as a "moral category", and its related policy includes treating the poor in a dignified manner, as to highlight the responsible nature of the welfare recipents. c) the norm of reciprocity explains the societal obligation to make some return for the things received, welfare recipents are stigmatized because they are able to be seen as making appropiate contributions for the benefits they incur. d) the capitalistic nature of u.s. society stresses that those who work hard and have the ability will be rewarded with success, welfare recipients are equal to those who do not receive welfare because both groups of people deserve the benefits of success.

What would happen to the tides if there was no moon and no sun in the sky?