(Question)
Fact 1: Aruler is used for measuring the length of an object. Fact 2: With another ruler, measure the length of the shadow. Given the two facts above, answer the question "How can you measure a shadow?" with the following options: - size - observe it - Light - simple - a ruler - mirrors - Winter - an image
(Answer)
a ruler

(Question)
Fact 1: Harming an animal species causes that animal 's population to decrease. Fact 2: If mortality is greater, then the population decreases. Given the two facts above, answer the question "what can cause a population decline?" with the following options: - wind - magma - bacteria - influenza - mortality - a pathogens - reproduction - parasites
(Answer)
mortality

(Question)
Fact 1: Marine biomes are found in the salt water of the ocean. Fact 2: Coral Reefs Coral reefs are marine biomes that are unique to tropical seas. Given the two facts above, answer the question "Where are coral reefs found?" with the following options: - swamps - it can be seen - more abundant - ocean salt water - salt and water. - cold water - food and shelter - great lakes
(Answer)
ocean salt water