Fact 1: Cutting down trees has a negative impact on an ecosystem. Fact 2: Ecosystems are living communities. Given the two facts above, answer the question "Cutting down what has a negative impact on living communities?" with the following options: - bushes - on calories - habitat - manmade structures - invasive species - disease - bamboo - trees
trees

Fact 1: Light enters the eye through an opening called the pupil. Fact 2: Light is essential to vision. Given the two facts above, answer the question "What requires the pupil?" with the following options: - olfaction - Summer - chemicals - hearing - bushes - touch - vision - Energy
vision

Q: Fact 1: Plants that shed their leaves seasonally each year are called deciduous plants. Fact 2: Vines are perennial, deciduous climbing plants. Given the two facts above, answer the question "What sheds their leaves seasonally each year?" with the following options: - camels - oak - Spruce - fens - Trees - burrs - apples - vines
A: vines

Question: Fact 1: If a neutral atom loses an electron then an atom with a negative charge will be formed. Fact 2: Ions are neutral atoms. Given the two facts above, answer the question "If ions lose an electron then an atom with what will be formed?" with the following options: - heat energy - kinetic energy - activation energy - rays or beams - flow of electrons - hydrogen and oxygen - Electrical energy - a negative charge
Answer: a negative charge

*Question*
Fact 1: Aplant requires water to grow. Fact 2: Flowers that grow from bulbs prefer cool water. Given the two facts above, answer the question "Plants require what to grow and flower?" with the following options: - bulbs - personal thought - gametes - food - seeds - farmer's touch - Light - kind words
**Answer**
bulbs

Fact 1: Cycles of freezing and thawing water cause ice wedging. Fact 2: Ice wedging is the most important form of mechanical weathering. Given the two facts above, answer the question "What do cycles of freezing and thawing water cause?" with the following options: - Metling snow - Mechanical weathering - the looseness of soil - fissures of hot, acidic water - exposure to cold - Plant growth is reduced - heat production - looseness of dirt or compost
Mechanical weathering