If millipedes lack a vertebral column, then millipedes lack what? Answer choices: - epidermal - segmented body - leg pairs - a cuticle - a vertebral column - diplosomites - Chlorophyll - biological diversity
a vertebral column

If hitting an object causes the particles in that object to create sound energy, then hitting an object causes the particles in that object to create what? Answer choices: - Electrical energy - activation energy - solar energy - sound energy - heat energy - Temperature - water energy - friction
sound energy

Q: If primitive green plants have varied life cycles, then what have varied life cycles? Answer choices: - h2o - remains of prehistoric life - the sun - oxygen - absorb light energy - primitive green plants - Chlorophyll - biological diversity
A: primitive green plants

Question: If amagnet moving in a coil of copper wire can cause a flow of electrons, then what can a magnet moving in a coil of copper wire cause? Answer choices: - flow of protons - dangerous - flow of neutrons - heat energy - flow of electrons - h2o - kinetic energy - electromagnetic energy
Answer: flow of electrons

*Question*
If the mass of an asteroid caused the gravitational force exerted by that asteroid, then what causes the gravitational force exerted by an asteroid? Answer choices: - a tree falling - flow of electrons - the shape of the asteroid - kinetic energy - solid, liquid, gas - the mass of the asteroid - the sound of the asteroid - the color of the asteroid
**Answer**
the mass of the asteroid

*Question*
If sand is formed by mechanical weathering, then what is formed by mechanical weathering? Answer choices: - planets - coral - calcium - ore - sand - soils - tube - peat
**Answer**
sand