Fact 1: Scraping oneself on a contaminated object may cause infection. Fact 2: Any infection can cause death. Given the two facts above, answer the question "What can scraping onself cause?" with the following options: - happiness - disease - swea - pleasure - Injury - death - reproduction - erosion
death

Fact 1: Echinoderms use pheromones to communicate with each other. Fact 2: Echinoderms are represented by the starfish. Given the two facts above, answer the question "How do starfish communicate with each other?" with the following options: - huddle together - writing - during the day - pheromones - Chemical energy - waving their arms - Decibels - talking
pheromones

Q: Fact 1: Invertebrates are animals that lack a vertebral column, or backbone. Fact 2: Geckos have backbones and are reptiles. Given the two facts above, answer the question "Which of the following animals is NOT an invertebrate?" with the following options: - shrimp - orchids - gecko - sheep - Schwinn - jellyfish - praying mantis - Birds
A: gecko

Question: Fact 1: Most amphibians breathe with gills as larvae and with lungs as adults. Fact 2: All frogs are amphibians. Given the two facts above, answer the question "An example of organisms that breathes with gills as larvae and with lungs as adults are" with the following options: - mollusk - salmon - a fish - harmful - reptile - amoeba - frogs - arachnid
Answer: frogs

*Question*
Fact 1: Ants communicate with chemicals called pheromones. Fact 2: Ants are of extreme importance in the insect world. Given the two facts above, answer the question "How do some insects communicate?" with the following options: - sound - sensory neurons - Decibels - electronic waves - progesterone - Vibrates - pheromones - radio waves
**Answer**
pheromones

Q: Fact 1: Chemical weathering causes iron in rock to oxidize. Fact 2: Chemical weathering is the chemical disintigration of rocks. Given the two facts above, answer the question "what causes iron in rocks to oxidize?" with the following options: - a tree falling - oxidation reaction - exposure to cold - chemical disintegration - hydrogen and oxygen - basic building blocks of life - fissures of hot, acidic water - flow of electrons
A: chemical disintegration