In an experiment, the solubilities of carbon dioxide and oxygen gases are studied over a temperature range from 0°C to 60°C. Identify the independent and dependent variables in the experiment. 2.5 2 1 1.5 L CO2 Solubility g/100 g water 0.5 02 0 J 0 10 20 1 40 50 60 30 Temperature, Solubility of CO2 in g/100 g water Solubility of Oz in g/100 g water Temperature in °C Independent Variable Dependent Variable

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

7. describe two strategies that parents can use to cope with stress. 8. describe the three types of childcare available to families. 9. what can parents do to be more involved in their children's education at home and at school? 10. which factors should a parent consider when choosing a childcare option?

Which is the graph of the piecewise function f(x)? f(x) = image for option 1 image for option 2 image for option 3 image for option 4