The ability of your heart and lungs to work efficiently during physical activity is called

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

Look at the photo of the leaf. which term best describes this leaf?

What is the identity of the planets?