Fact 1: Exercise has a positive impact on a human 's health. Fact 2: Exercise is critical to bone health. Given the two facts above, answer the question "what are bones kept healthy by?" with the following options: - exercise - food - animals - nutrients - reduced heat - Cooking - Proteins - cells
exercise

Fact 1: Water causes refraction of light. Fact 2: Water includes all liquids. Given the two facts above, answer the question "What causes the refraction of light?" with the following options: - focusing a lens - Chemical energy - fossil fuels - all liquids - a solute - chemical changes - an electron lens - squids
all liquids

Q: Fact 1: Animals use saturated fatty acids to store energy. Fact 2: Killer whales are social animals. Given the two facts above, answer the question "What uses saturated fatty acids to store energy?" with the following options: - the Sun - peachleaf willow - Conifers - killer whales - perennials - generators - passenger pigeons - light bulbs
A: killer whales

Question: Fact 1: An animal requires nutrients for survival. Fact 2: Animals and humans eat plants for their nutrients. Given the two facts above, answer the question "Animals and humans need to eat plants to what" with the following options: - get pregnant - survive - be happy - health - energy - reproduce - be productive - Energy.
Answer: survive

*Question*
Fact 1: Plants that shed their leaves seasonally each year are called deciduous plants. Fact 2: Ginkgo biloba is deciduous. Given the two facts above, answer the question "What does ginkgo biloba do every year?" with the following options: - Sheds their leaves - it keeps an organism warm - move to different locations - mate with females - produce offspring - reproduce - spread flower seeds - Move to another area
**Answer**
Sheds their leaves

Q: Fact 1: Harming an animal species has a negative impact on the population size of that species. Fact 2: Population Population A population is comprised of the individuals of a species within an area. Given the two facts above, answer the question "Harming an animal species has a negative impact on what?" with the following options: - The size of the individuals - global ecosystems - The food of the species - most organisms - The number of individuals - living things - The color of the species - Abnormal cell growth
A: The number of individuals