Gravity pulls objects towards planets, and earth is a living planet. Given these facts, what pulls objects towards Earth among the following options: - gravitating - wind - forces - gravitational waves - gravity - radio waves - heat - rivers
gravity

An organism requires energy for growth, and humans are complex organisms. Given these facts, what requires energy for growth among the following options: - tunicates - plants - radio waves - televisions - pigeons - sun light - humans - cats
humans

Glass cause refraction of light, and prisms are round pieces of glass. Given these facts, what do prisms do to light among the following options: - focusing a lens - Refract it - Reflect it - protect them - Absorb it - observe it - It expands - Diffraction
Refract it