What are environmental reasons to use alternative energy sources?

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

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