Please help i’m timed

Graphs you see question 5 options: the change in data over time the relationship between different dependent variables the relationship between the independent variable and the dependent variable/s the relationship between different independent variables

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.