Answer the following question given this paragraph: An unconformity is a gap in rock layers. They occur where older rock layers eroded away completely before new rock layers were deposited. Q: What is a gap in rock layers called? Choices: - a crevice - a mutation - an anomaly - an unconformity A:
an unconformity
(Question)
Answer the following question given this paragraph: Sodium is a highly reactive metal, and chlorine is a poisonous gas (see Figure below ). The compound they synthesize has very different properties. It is table salt, which is neither reactive nor poisonous. In fact, salt is a necessary component of the human diet. Q: Sodium and chlorine combine to make what? Choices: - gold - seawater - iron - salt A:
(Answer)
salt
Ques: Answer the following question given this paragraph: Scientists did not actually see viruses for the first time until the 1930s. That's when the electron microscope was invented. In 1915, English bacteriologist Frederick Twort discovered bacteriophage , the viruses that attack bacteria. He noticed tiny clear spots within bacterial colonies, and hypothesized that something was killing the bacteria. The tobacco mosaic virus shown in Figure below was the first one to be seen. Q: The invention of what instrument in the 1930s allowed scientists to see viruses for the first time? Choices: - spy glass - telescopes - magnifying glass - electron microscope A:
Ans: electron microscope
(Q).
Answer the following question given this paragraph: Q: What type of animal eats both plants and animals? Choices: - insectivores - carnivores - herbivores - omnivores A:
(A).
omnivores
Ques:Answer the following question given this paragraph: Q: Most animals are in which clade? Choices: - eutheria - metazoa - synapsids - bilateria A:

Ans:bilateria
Ques: Answer the following question given this paragraph: Figure below shows the role of the atmosphere in the water cycle. Water vapor rises from Earth's surface into the atmosphere. As it rises, it cools. The water vapor may then condense into water droplets and form clouds. If enough water droplets collect in clouds they may fall as rain. This how freshwater gets from the atmosphere back to Earth's surface. Q: What does water vapor in the atmosphere cool and condense into? Choices: - puddles - rain - oceans - clouds A:
Ans:
clouds