Mr. harris assigned his class the task to identify and order unknown liquids by their specific heat. four liquids are heated at the same temperature setting for ten minutes. the temperature change of each sample is recorded in the table above. order the unknown liquid samples by specific heat from lowest to highest. temperature change of liquid samples sample mass (grams) start temperature (°c) ending temperature (°c) 1 200 23 69 2 200 20 67 3 200 21 65 4 200 22 70

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages