Fact 1: Carbon may be stored in sedimentary rock for millions of years. Fact 2: Limestone is a rock composed of calcium, carbon and oxygen. Given the two facts above, answer the question "what is in limestone?" with the following options: - abrasion - fossils - an anion - acid - nitrogen - gypsum - carbon - NaCl
carbon

Fact 1: Erosion of soil has a negative impact on the environment. Fact 2: Across the earth, land degradation is on the rise through erosion, salination, pollution, etc. Given the two facts above, answer the question "Land degradation causes what effects on the enviroment?" with the following options: - climate - flooding - pollinization - hydroponic - blooming - negative - disease - wind
negative

Q: Fact 1: Some flowers become fruits. Fact 2: An apple tree produces an apple fruit. Given the two facts above, answer the question "What do some flowers become?" with the following options: - apples - bees - seeds - plants - sunlight - Tropical - solar flares - bushes
A: apples

Question: Fact 1: HIV infects and destroys helper T cells. Fact 2: If the antibodies to HIV are present, then the individual is said to be HIV positive. Given the two facts above, answer the question "What can infect and destroy helper T cells?" with the following options: - tissues - anemia - antibodies - cigarettes - flagella - Chemical energy - vipers - adding heat
Answer: antibodies

*Question*
Fact 1: Aggression is behavior that is intended to cause harm or pain. Fact 2: Another form of aggressive behavior is known as territorial aggression. Given the two facts above, answer the question "What does aggression cause?" with the following options: - ligt - death - harm - damage - force - caring - companionship - peace
**Answer**
harm

*Question*
Fact 1: Bone provides protection for soft tissues and internal organs. Fact 2: Vertebrae, ribs, appendages, and the jaw are endoskeletal bone. Given the two facts above, answer the question "What provides protection for internal organs?" with the following options: - fur - cuticle - ribs - skin - plasma - brain - coats - fat
**Answer**
ribs