Answer the following question given this paragraph: Investigation is at the heart of science. It is how scientists do research. Scientific investigations produce evidence that helps answer questions and solve problems. If the evidence cannot provide answers or solutions, it may still be useful. It may lead to new questions or problems for investigation. As more knowledge is discovered, science advances. Q: In science, what process produces evidence that helps answer questions and solve problems? Choices: - information - manipulation - suspension - investigation A:
investigation
(Question)
Answer the following question given this paragraph: Great volcanic explosions and glowing red rivers of lava are fascinating. All igneous rock comes from magma or lava. Remember that magma is molten rock that is below Earth's surface. Lava is molten rock at Earth's surface. Q: Where does all igneous rock come from? Choices: - the moon - stratosphere - oceans - magma or lava A:
(Answer)
magma or lava
Ques: Answer the following question given this paragraph: Ecological succession is the process in which a community changes through time. Primary succession occurs in an area that has never before been colonized. Secondary succession occurs in a formerly inhabited area that was disturbed. Q: What is the term for the process in which an area that has never before been colonized changes through time? Choices: - continuous succession - environmental succession - colony succession - ecological succession A:
Ans: ecological succession
(Q).
Answer the following question given this paragraph: The skin of many mammals is covered with sweat glands. The glands produce sweat, the salty fluid that helps cool the body. Q: What glands produce the salty fluid that helps cool the body of many mammals? Choices: - thyroid gland - water gland - endocrine gland - sweat gland A:
(A).
sweat gland
Ques:Answer the following question given this paragraph: The digestive system of birds is unique, with a gizzard that contains swallowed stones for grinding food. Birds do not have teeth. What do you think the stones do? They help them digest their food. Defining characteristics of modern birds also include:. Q: What does the gizzard in birds contain that allows them to grind food? Choices: - acid - bile - teeth - swallowed stones A:

Ans:swallowed stones
Ques: Answer the following question given this paragraph: ; The efficiency equals the output power divided by the input power. Q: What equals the output power divided by the input power? Choices: - output - potential - inertia - efficiency A:
Ans:
efficiency