Fact 1: Afirecracker converts chemical energy into sound. Fact 2: Fireworks that only make a loud noise are called firecrackers. Given the two facts above, answer the question "What converts chemical energy into sound?" with the following options: - worms - animals - sand - fireworks - Gunshots - engines - Loud noises - minerals
fireworks

Fact 1: Gases from burning coal and oil dissolving in water in the atmosphere causes acid rain. Fact 2: Acid rain can harm plant life and actually kill plants. Given the two facts above, answer the question "gases from burning coal and oil dissolving in water can harm what?" with the following options: - soils - people - oil reserves - plant life - animals - coal factories - humans - gas buildup
plant life

Q: Fact 1: Mutations may change the structure of a chromosome or just change a single nucleotide. Fact 2: Most mutations are beneficial to the organism. Given the two facts above, answer the question "Changing the structure of a chromosome can be what to an organsim?" with the following options: - massive damage - mechanical - beneficial - harm them - negative - dangerous - homogenous - Damages them
A: beneficial

Question: Fact 1: Having no natural predators increases population size. Fact 2: Koalas have no natural predators. Given the two facts above, answer the question "What has an increased population size over time?" with the following options: - trout - dolphins - squids - Frogs - dodos - koalas - white lions - Tasmanian tigers
Answer: koalas

*Question*
Fact 1: Invertebrates are animals that lack a vertebral column, or backbone. Fact 2: Many invertebrates have an exoskeleton. Given the two facts above, answer the question "Many animals that lack a vertebral column, or backbone have a what" with the following options: - spine - exoskeleton - parasites - Leptospirosis - epidermal - Damaged hearing - skeleton - hip bone
**Answer**
exoskeleton

*Question*
Fact 1: Information in an organism 's chromosomes cause genetic traits to be passed down to that organism 's offspring. Fact 2: Man is a living being or organism. Given the two facts above, answer the question "information in what's chromosomes cause genetic traits to be passed down to offspring?" with the following options: - children - Man's - RNA - density - gravity - alleles - DNA - genes
**Answer**
Man's