Which is an example of a scientist using a mathematical model to describe the weather? A. The scientist finds an equation that predicts how long a rainstorm will last.

B. The scientist says that a lightning bolt is like a long snake.

C. The scientist uses cotton balls to represent clouds, and grass to represent the ground.

D. The scientist thinks of a cloud as a giant ball of cotton candy.

(its A)

How do you tell if someone actually cares about you? and just say they do?

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance