Objects with potential energy got that energy: (Highlight the correct answer) 1. Entirely from their height above the earth.

2. After work was performed on them.

3. When kinetic energy was released from fossil fuels.

4. Through electromagnetic discharges.

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

it’s

explanation: