The rock in this landscape is composed of a number of layers. You learnt the correct term for rock 'layers' in Grade 10. What is this term?​

Which volcanic eruption caused the most deaths

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

Sam hated the long nights of winter! his mother called him in from playing so early: around 4: 30 pm! it is usually dark out when sam is eating supper. what letter represents the long nights where sam lives? a) a. b) b. c) c. d) d.