What do stream terraces represent? Put another way, what were stream terraces before they became a terrace?

Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. wavelength c. brightness d. intensity

State a hypothesis with a numerical estimate of the calories contained within a peanut based on the nutritional information on the package label combined with what you have learned in this lesson about fuel efficiency and calorimeters.

Countries in this region are trying to achieve development. a. attainable c. sustainable b. suspendable d. intangible