Hydrogen bonds cause water to expand when it freezes, and water freezes into ice when cooled. Given these facts, what causes water to expand as it becomes ice among the following options: - evaporation - wind - Weathering - heat - gasoline - Generating heat - friction - hydrogen bonds
hydrogen bonds

(Question)
Aflower 's purpose is to produce seeds, and some plants can be reproduced using seeds, or even a piece of plant. Given these facts, what is a flower's purpose among the following options: - staying warm - food and shelter - To look pretty - To reproduce - To smell good - plant reproduction - To help people - Reproduction
(Answer)
To reproduce

Ques: Climate influences plant growth, biodiversity, and adaptations of land organisms, and aquatic biodiversity has declined. Given these facts, what influences plants in aquatic environments among the following options: - survival - vegetation - lakes - acid rain - Climate - hurricanes - wind - farms
Ans: Climate

(Q).
Birds evolved from a group of bipedal dinosaurs called theropods, and dromaeosaurs are part of the theropod group of dinosaurs. Given these facts, what did birds evolve from among the following options: - chickens - insects - fur and fat - dromaeosaurs - beaks - feathers - animals - warm-blooded
(A).
dromaeosaurs

Ques:Heterotrophs get food by eating other living things, and all fish are heterotrophic. Given these facts, what do fish eat among the following options: - an organism's body - hydrate their cells - wood - living things - Organic compounds - dead animals - barnacles - waste

Ans:living things

Ques: Stalactites are formed by deposition, and and new sediments such as clay and sand are being deposited by water. Given these facts, what are formed by sediments such as clay and sand by water among the following options: - detritus - stalactites - watershred - swamp vegetation - patch reefs - soft soil - kalenchoes - erosion
Ans:
stalactites