*Question*
Q: Sounds, chemicals, and visual cues are examples of what between animals? Read this paragraph and choose the correct option from the provided answers: For individuals to cooperate, they need to communicate . Animals can communicate with sounds, chemicals, or visual cues. For example, to communicate with sounds, birds sing and frogs croak. Both may be communicating that they are good mates. Ants communicate with chemicals called pheromones . For example, they use the chemicals to mark trails to food sources so other ants can find them. Male dogs use pheromones in urine to mark their territory. They are "telling" other dogs to stay out of their yard. You can see several examples of visual communication in Figure below . Choices: - migration - circulation - procreation - communication A:
**Answer**
communication

*Question*
Q: What is formed when each sodium atom donates its single valence electron to a chlorine atom? Read this paragraph and choose the correct option from the provided answers: Ionic bonds are possible because the elements involved have either donated or accepted one or more electrons. Sodium chloride is formed when each sodium atom donates its single valence electron to a chlorine atom. As a result, both ions have a noble gas configuration, and an attraction is formed between the positive sodium ions and the negative chloride ions. Choices: - carbon chloride - nitrogen chloride - trioxide chloride - sodium chloride A:
**Answer**
sodium chloride

*Question*
Q: Heat and light are forms of what, which refers to the ability to do work? Read this paragraph and choose the correct option from the provided answers: Energy is the ability to do work. Heat and light are forms of energy. Energy can change form. It can also move from place to place. Choices: - fuel - food - waves - energy A:
**Answer**
energy

*Question*
Q: Alkenes can react with what to form alcohols? Read this paragraph and choose the correct option from the provided answers: Alkenes can react with water to form alcohols. Choices: - air - proteins - sugars - water A:
**Answer**
water