Ques:If amarine engine transforms chemical energy into mechanical energy, then what converts chemical energy into mechanical energy? Answer choices: - kinetic energy - Marine engine - driving - some invertebrates - sea urchins - vehicles - rockets - animal transport

Ans:Marine engine
-----
Ques:If building housing developments usually requires replacing animal burrows, then building housing developments usually requires replacing what? Answer choices: - money - gold reserves - deuterostomes - one celled organisms - loose soil - swamp vegetation - animal burrows - clocks

Ans:animal burrows
-----
Ques:If dogs require warmth for survival, then what requires warmth for survival? Answer choices: - ice cubes - Man - Whales - hydrogen - dogs - Birds - glaciers - humans

Ans:dogs
-----
Ques:If hitting a rock causes vibration, then hitting a rock causes what? Answer choices: - heat energy - erosion - energy - friction - flooding - squeeze - contamination - vibration

Ans:
vibration
-----