Ques:Q: What are the only regions of space that electrons can occupy? Read this paragraph and choose the correct option from the provided answers: Electrons can occupy only certain regions of space, called orbits. Choices: - galaxies - inside nuclei - inside protons - orbits A:

Ans:orbits
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Ques:Q: How many eyelid membranes do frogs have? Read this paragraph and choose the correct option from the provided answers: In order to live on land and in water, frogs have three eyelid membranes: one is see-through to protect the eyes underwater, and the two other ones let them see on land. Frogs also have a tympanum , which acts like a simple ear. They are found on each side of the head. In some species, the tympanum is covered by skin. Choices: - two - four - one - three A:

Ans:three
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Ques:Q: Organisms that obtain food from outside themselves (i.e. they don't make their own food) are known as what? Read this paragraph and choose the correct option from the provided answers: Fungi are heterotrophs, meaning they obtain food from outside themselves. Choices: - autotrophs - zygotes - fungi - heterotrophs A:

Ans:heterotrophs
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Ques:Q: What is the measure of kinetic energy of the particles in matter? Read this paragraph and choose the correct option from the provided answers: Temperature is a measure of the average kinetic energy of the particles in matter. In everyday usage, temperature indicates a measure of how hot or cold an object is. Temperature is an important parameter in chemistry. When a substance changes from solid to liquid, it is because there was an increase in the temperature of the material. Chemical reactions usually proceed faster if the temperature is increased. Many unstable materials (such as enzymes) will be viable longer at lower temperatures. Choices: - energy - precipitation - friction - temperature A:

Ans:
temperature
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