Questions in Grade High-school

Questions in Grade High-school

📝 Answered - 30. Which of the following was an effect of the transcontinental railroad? A. The nation shrunk in size. B. The population of the West increased. C. Utah and Nevada became heavily settled. D. Industrial development was stalled.

📝 Answered - An owl and a bat share the same kingdom and phylum; an owl and a robin share the same kingdom, phylum, and class. Which of the following statements is correct? A. The owl and the bat have more characteristics in common. B. The owl and the robin have more characteristics in common. C. All three animals share the same characteristics. D. These three animals have no characteristics in common.

📝 Answered - When Hooke first used the term "cell," did he intend to have it apply to living material?

📝 Answered - When 2.5 times a number \( n \) is subtracted from 6.1, the result is \(-11.4\). Write an equation to represent this statement and find the value of \( n \).

📝 Answered - What is the pH of a solution with a concentration of [tex]2.4 \times 10^{-5}[/tex] molar [tex]H_3O^+[/tex]? Please show or explain the work used to solve this problem.

📝 Answered - Which cells form the stomata? A. Sieve cells B. Guard cells C. Phloem cells D. Mesophyll cells

📝 Answered - Social Darwinists believed that a. a large empire was the key to economic growth. b. the best country would win any international competition. c. each nation should be made up of only one ethnic group. d. military might was the most important measure of a nation.

📝 Answered - When Plutonium-239 undergoes alpha decay, it becomes: A) Curium-241 + an alpha particle B) Uranium-235 + an alpha particle C) Neptunium-237 + an alpha particle D) Plutonium-237 + an alpha particle

📝 Answered - How much energy is released when 2.65 kg of diethyl ether \((\text{C}_2\text{H}_5)_2\text{O}\) freezes? The heat of fusion for diethyl ether is 7.27 kJ/mol.

📝 Answered - Which of the following describes a reason why it is important for humans to protect and maintain water resources? (Choose all that are correct) A. Humans use water to raise livestock for food and other products. B. Humans use some water resources for power generation. C. All humans depend on water for the maintenance of their internal homeostasis. D. Humans use water to grow crops for food and other products.