Fact 1: Invertebrates are animals that lack a vertebral column, or backbone. Fact 2: Millipedes, spiders and other invertebrates are probably taken as well. Given the two facts above, answer the question "Millipedes lack what?" with the following options: - epidermal - segmented body - leg pairs - a cuticle - a vertebral column - diplosomites - Chlorophyll - biological diversity
a vertebral column

Fact 1: Hitting an object causes the particles in that object to vibrate. Fact 2: Sound energy is created by vibrating objects. Given the two facts above, answer the question "hitting an object causes the particles in that object to create what?" with the following options: - Electrical energy - activation energy - solar energy - sound energy - heat energy - Temperature - water energy - friction
sound energy

Q: Fact 1: Algae have varied life cycles. Fact 2: Algae on Turf Plant Pathology Algae on Turf Algae are primitive green plants. Given the two facts above, answer the question "what have varied life cycles?" with the following options: - h2o - remains of prehistoric life - the sun - oxygen - absorb light energy - primitive green plants - Chlorophyll - biological diversity
A: primitive green plants

Question: Fact 1: Amagnet moving in a coil of copper wire can cause an electric current. Fact 2: An electrical current is a flow of electrons. Given the two facts above, answer the question "what can a magnet moving in a coil of copper wire cause?" with the following options: - flow of protons - dangerous - flow of neutrons - heat energy - flow of electrons - h2o - kinetic energy - electromagnetic energy
Answer: flow of electrons

*Question*
Fact 1: The mass of an object causes the gravitational force exerted by that object. Fact 2: An asteroid is a rock-like object with an irregular shape. Given the two facts above, answer the question "What causes the gravitational force exerted by an asteroid?" with the following options: - 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*
Fact 1: The surface of a beach is formed by mechanical weathering. Fact 2: And that sand is available to redeposit on the beaches. Given the two facts above, answer the question "What is formed by mechanical weathering?" with the following options: - planets - coral - calcium - ore - sand - soils - tube - peat
**Answer**
sand