Fact 1: Atelephone is used for communication by humans over long distances. Fact 2: Effective communication requires skills in conveying and receiving messages. Given the two facts above, answer the question "what does a telephone help humans do over long distances?" with the following options: - send files - Transfers energy - lowered energy cost - hold hands - extremely important - conveying and receiving messages - watch television - A transportation fuel
conveying and receiving messages

Fact 1: If a thermal conductor is exposed to a source of heat then that conductor may become hot. Fact 2: Copper is a great thermal conductor. Given the two facts above, answer the question "What becomes hot when exposed to a source of heat?" with the following options: - rubber - wool - an object - copper - paper - sugar - the skin - our star
copper

Q: Fact 1: Gases released during the use of fossil fuels causes global warming. Fact 2: Fossil fuels are coal, oil, and natural gas. Given the two facts above, answer the question "gases released during the use of coal, oil, and natural gas causes " with the following options: - warming glow - abundance of types organisms - heat energy - stabilized temperatures - global warming - deforestation - chemical reaction - kinetic energy
A: global warming

Question: Fact 1: Female gametophytes produce eggs inside the ovaries of flowers. Fact 2: Microspores develop into female gametophyte that produces egg in archegonium. Given the two facts above, answer the question "What do microspores develop into?" with the following options: - members of their own species - raindrops - female gametophytes - Chlorophyll - major threat to health - stems - leaves - it keeps an organism warm
Answer: female gametophytes

*Question*
Fact 1: Electricity is used as an energy source by electrical devices. Fact 2: Sunlight can be converted to electricity. Given the two facts above, answer the question "What can be used as an energy source by devices?" with the following options: - friction - sunlight - heat - sun's heat - Light - cells - wind - oxygen
**Answer**
sunlight

Q: Fact 1: Echinoderms lack respiratory and excretory systems. Fact 2: Starfish and sea urchins are also echinoderms. Given the two facts above, answer the question "What is an example of an animal that lacks a respiratory and excretory system?" with the following options: - Dog - Human - alpacas - cacti - Starfish - Leeuwenhoek - Elephants - cows
A: Starfish