Answer the following question given this paragraph: Two horrific contraptions on frictionless wheels are compressing a spring by compared to its uncompressed (equilibrium) length. Each of the vehicles is stationary and they are connected by a string. The string is cut! Find the speeds of the vehicles once they lose contact with the spring. Q: Transport of nutrients and regulation of body temperature through fluid flow are characteristics of which bodily system? Choices: - peripheral - gastrointestinal - reproductive - cardiovascular A:
cardiovascular
Answer the following question given this paragraph: Hormones Hormones are molecular signals that help regulate a number of biochemical processes. Single amino acids and short protein chains are very common types of hormones. For example, insulin is a protein hormone that regulates the amount of glucose present in the bloodstream. Q: What do you call the type of molecular signals that include insulin and that help regulate a number of biochemical processes? Choices: - nerves - acids - enzymes - hormones A:
hormones
Q: Answer the following question given this paragraph: Bronze, an alloy of copper and tin, has been in use since ancient times. The Bronze Age saw the increased use of metals rather than stone for weapons, tools, and decorative objects. Brass, an alloy of copper and zinc, is widely used in musical instruments like the trumpet and trombone. Q: What is an alloy of copper and tin? Choices: - zinc - gold - silver - bronze A:
A: bronze
Question: Answer the following question given this paragraph: Bacteria that stain red are called gram-negative bacteria. They have a thin cell wall with an outer membrane. Q: What type of bacteria stains red? Choices: - gram - such bacteria - kilogram-negative bacteria - calcium - negative bacteria - gram-negative bacteria A:
Answer: gram-negative bacteria
*Question*
Answer the following question given this paragraph: Q: Plants supply, ultimately, most of the food eaten by terrestrial animals, along with what gas? Choices: - hydrogen - nitrogen - carbon dioxide - oxygen A:
**Answer**
oxygen
Q: Answer the following question given this paragraph: Compare fractures and faults and define how they are related to earthquakes. Q: Fractures and faults are terms you hear when talking about? Choices: - volcanoes - storms - magnets - earthquakes A:
A: earthquakes