You are presented with the question "What is blood heavy with?" and the following answer choices: - Carbon monoxide - Energy. - Bacteria - Chemical energy - matter vibrating - Carbon dioxide - Veins and arteries. - Water Now knowing that veins generally carry deoxygenated blood and deoxygenated blood is heavy with carbon dioxide, choose the best answer.
Carbon dioxide
You are presented with the question "What can breathe with gills as larvae and with lungs as adults?" and the following answer choices: - humans - viruses - a fish - animals - bats - frogs - bacteria - air Now knowing that most amphibians breathe with gills as larvae and with lungs as adults and all frogs are amphibians, choose the best answer.
frogs
Q: You are presented with the question "Solid materials used to produce electricity by burning in what need to be transported firs" and the following answer choices: - Conifers - animals - it needs them - humans - heat energy - important habitats - power stations - batteries Now knowing that coal is used to produce electricity by burning in coal-fire power stations and solid refined coal is easy to transport and can be used in coal-burning equipment, choose the best answer.
A: power stations
Question: You are presented with the question "what uses cell division to grow and repair itself?" and the following answer choices: - amoeba - fungi - density - animals - h2o - plants - clouds - grass Now knowing that cell division is how organisms grow and repair themselves and plants are amazingly adaptable organisms, choose the best answer.
Answer: plants
*Question*
You are presented with the question "Cocaine causes what to contract?" and the following answer choices: - layers of fat - a lot of human deaths - Walls of blood vessels. - harmful substances - the rest of the body - metabolic reaction - direct damage to the lungs - decreases its bodily water Now knowing that constriction occurs when the muscular walls of blood vessels contract and cocaine constricts the blood vessels, choose the best answer.
**Answer**
Walls of blood vessels.
Q: You are presented with the question "What can threatening behavior cause?" and the following answer choices: - love - toxins - Pollution - disease - knowledge - injury - negative - friendship Now knowing that threatening behavior causes a fight-or-flight response in animals and fighting can lead to brawls and significant injury, choose the best answer.
A: injury