Fact 1: If a planet becomes too hot then that planet cannot sustain life. Fact 2: Venus is thought to be hot because of the runaway greenhouse effect. Given the two facts above, answer the question "The runaway greenhouse effect present on Venus makes what unlikely?" with the following options: - carbon in the atmosphere - bloom time - Animal survival - robotic landers - sustainable life - Plant reproduction - population movement - sunlight at the surface
sustainable life

Fact 1: Mutations are essential for evolution to occur. Fact 2: Mutations are changes in the genetic material. Given the two facts above, answer the question "Changes in what are essential for evolution to occur." with the following options: - color of leaves - genetic material - learned behavior - synthetic material - the body's largest organ - acquired characteristics - sensory neurons - Most plants
genetic material

Fact 1: Most ecosystems get energy from sunlight. Fact 2: An ecosystem includes the organisms and their habitat. Given the two facts above, answer the question "what gets energy from sunlight?" with the following options: - Microscopic organisms - objects that have mass - peachleaf willow - organisms and their habitat - density - Earth orbiting the Sun - gravity - volume
organisms and their habitat

Fact 1: Recycling reduces the resources needed to make something. Fact 2: Recycling also saves energy. Given the two facts above, answer the question "What reduces the resources needed to make something?" with the following options: - water conservation - A computer - saving energy - Pollution - electron microscope - power stations - Fuel cells - Electrical energy
saving energy