Q: Which particle of an atom has a positive electric charge? Read this paragraph and choose the correct option from the provided answers: A proton is a particle in the nucleus of an atom that has a positive electric charge. All protons are identical. It is the number of protons that gives atoms of different elements their unique properties. Atoms of each type of element have a characteristic number of protons. For example, each atom of carbon has six protons, as you can see in Figure below . No two elements have atoms with the same number of protons. Choices: - electron - nutron - nucleus - proton A:
proton

Q: What have a symbiotic relationship between a fungus and a photosynthetic organism? Read this paragraph and choose the correct option from the provided answers: farm fungi as a supply of food. Lichens are a symbiotic relationship between a fungus and a photosynthetic organism, usually an alga or cyanobacterium. The photosynthetic organism provides energy derived from light and carbohydrates, while the fungus supplies minerals and protection. Some animals that consume fungi help disseminate spores over long distances. Choices: - crustaceans - amphibians - sponges - lichens A:
lichens

Q: Q: What is an organism that spreads bacteria or other pathogens? Read this paragraph and choose the correct option from the provided answers: Some bacteria are spread by vectors. A vector is an organism that spreads bacteria or other pathogens. Most vectors are animals, commonly insects. For example, deer ticks like the one in Figure below spread Lyme disease. Ticks carry Lyme disease bacteria from deer to people when they bite them. Choices: - plane - section - arc - vector A:
A: vector

Question: Q: What are formed by the attraction between oppositely charged ions? Read this paragraph and choose the correct option from the provided answers: Ionic bonds are formed by the attraction between oppositely charged ions. Choices: - inept bonds - soluble bonds - magnetic bonds - ionic bonds A:
Answer: ionic bonds

*Question*
Q: Alcohols can be oxidized to aldehydes or _______. Read this paragraph and choose the correct option from the provided answers: Alcohols can be oxidized to aldehydes or ketones. Choices: - carbohydrates - sugars - sugars - ketones A:
**Answer**
ketones

Q: Lava flows from a volcano and hardens into what? Read this paragraph and choose the correct option from the provided answers: lava flows from a volcano and hardens into rock. Choices: - life - snow - sand - rock A:
rock