Q: The sternum and 12 pairs of ribs with their costal cartilages make up what? Choices: - chest cage - the core - heart cage - thoracic cage A:
thoracic cage

Q: What is the name of the procedure where an unknown compound can be analyzed in the laboratory in order to determine the percentages of each element contained within it? Choices: - electrical analysis - chemical analysis - gaseous analysis - elemental analysis A:
elemental analysis

Q: Q: What describes how close an estimate is to a known standard? Choices: - diversity - frequency - precision - accuracy A:
A: accuracy

Question: Q: What is the function of chloroplasts that are found in plant and algal cells? Choices: - mitosis - spermatogenesis - glycolysis - photosynthesis A:
Answer: photosynthesis

*Question*
Q: Chemical reactions always involve energy. when methane burns, for example, it releases energy in the form of what? Choices: - movement and light - light and sound - heat and movement - heat and light A:
**Answer**
heat and light

*Question*
Q: What kind of muscle is found in the heart? Choices: - cord - respiratory - pulminary - cardiac A:
**Answer**
cardiac