Ablack hole is formed by a high-mass star collapses, and stars are on an outermost celestial sphere. Given these facts, what is formed when a high mass celestial body collapses among the following options: - rays or beams - Calcium carbonate - It gets heated up - fossil fuels - scattered light - layers of fat - a black hole - heating liquids
a black hole

Astronauts require preserved food for extended flights, and freeze-drying Freeze drying is a method of preserving materials. Given these facts, which of the following keeps food viable for extended flights? among the following options: - evaporation - microwaving - boiling - freeze drying - layers of fat - deep frying - mechanical - Dehydration
freeze drying

Q: Viruses are not cells, and examples include influenza, rabies, HIV, and Herpes viruses. Given these facts, what are not cells among the following options: - organ tissue - skin cells - Herpes - barnacles - bacteria - A drug. - blood - an object
A: Herpes

Question: Seed dispersal has a positive impact on a plant, and plants are the foundation of the ecosystem's food chain. Given these facts, what usually has a positive impact on an ecosystem's food chain among the following options: - Jellyfish - mussels - invasive seeds - genetic diversity - seed dispersal - colony collapse - peachleaf willow - blossom end rot
Answer: seed dispersal

*Question*
Acactus stem is used for storing water, and h2O is the scientific name for water. Given these facts, what can a cactus stem store among the following options: - hydrogen - CO2 - h2o - H20 - O2 - liquid gold - thorns - rain
**Answer**
h2o

Q: Being burried under soil and mud changes peat into coal through extreme heat and pressure in a swamp over a long period of time, and fens form non-acidic peat. Given these facts, being burried under soil and mud changes how what forms among the following options: - cacti - deltas - fens - potash - bamboo - rivers - roots - mildew
A: fens