Answer the following question given this paragraph: A compound is a unique substance that forms when two or more elements combine chemically. Compounds form as a result of chemical reactions. The elements in compounds are held together by chemical bonds. A chemical bond is a force of attraction between atoms or ions that share or transfer valence electrons. For a video introduction to compounds, go to this URL: http://www. youtube. com/watch?v=-HjMoTthEZ0 . Q: What type of reactions form compounds? Choices: - mineral reactions - consumption reactions - physical reactions - chemical reactions A:
chemical reactions
Answer the following question given this paragraph: The skeleton supports the body and gives it shape. It has several other functions as well, including:. Q: What gives the body shape and support? Choices: - organs - muscles - gravity - skeleon A:
skeleon
Q: Answer the following question given this paragraph: Non-polar molecules can interact by way of London dispersion forces. Q: What type of force allows non-polar molecules to interact? Choices: - experienced dispersion - centrifigal dispersion - graviitational force - london dispersion A:
A: london dispersion
Question: Answer the following question given this paragraph: Good record keeping is very important in scientific research. Q: Hormones send what through your body? Choices: - nutrients - cells - proteins - signals A:
Answer: signals
*Question*
Answer the following question given this paragraph: Q: The coordinated activities of the legume and the rhizobium bacteria depend on what between the partners? Choices: - electric signals - sight signals - fertilizer signals - chemical signals A:
**Answer**
chemical signals
Answer the following question given this paragraph: Continuous Capillaries The most common type of capillary, the continuous capillary, is found in almost all vascularized tissues. Continuous capillaries are characterized by a complete endothelial lining with tight junctions between endothelial cells. Although a tight junction is usually impermeable and only allows for the passage of water and ions, they are often incomplete in capillaries, leaving intercellular clefts that allow for exchange of water and other very small molecules between the blood plasma and. Q: What is the most common type of capillary? Choices: - channels - large - ending - continuous A:
continuous