Q: What are sores in the lining of the stomach or duodenum that are usually caused by bacterial infections or acidity? Choices: - lesions - clots - hernia - ulcers A:
ulcers

Q: In chemical reactions, what substances can act like metals or nonmetals, depending on their number of electrons? Choices: - diacritics - minerals - synthetics - metalloids A:
metalloids

Q: Q: Liquid water changing to water vapor is called? Choices: - oxidation - respiration - transpiration - evaporation A:
A: evaporation

Question: Q: What is the amount of solute that can dissolve in a given amount of solvent at a given temperature? Choices: - permeability - humidity - viscosity - solubility A:
Answer: solubility

*Question*
Q: What is biomass made into fuel called? Choices: - benign fuel - toxic fuel - renewable fuel - bio fuel A:
**Answer**
bio fuel

(Q).
Q: Algae convert energy from the sun into food by means of what process? Choices: - luminosynthesis - compression - glycolysis - photosynthesis A:
(A).
photosynthesis