Answer the following question given this paragraph: The energy of a photon is directly proportional to the frequency of the electromagnetic radiation. Q: The energy of a photon is directly proportional to the frequency of the electromagnetic what? Choices: - evaporation - convection - absorption - radiation A:
radiation
(Question)
Answer the following question given this paragraph: Many plants also produce hormones and toxins to fight pathogens. For example, willow trees, like the one in Figure below , produce salicylic acid to kill bacteria. The same compound is used in many acne products for the same reason. Q: What do willow trees produce to kill bacteria? Choices: - facultative acid - Posion - bacterial acid - salicylic acid A:
(Answer)
salicylic acid
Ques: Answer the following question given this paragraph: Oxygen is needed to make ozone. Ozone is a molecule made of three oxygen ions. Ozone in the upper atmosphere blocks harmful solar radiation from reaching the surface. Without oxygen, life on Earth would have been very simple. Q: How many oxygen ions make up an ozone molecule? Choices: - eight - one - five - three A:
Ans: three
(Q).
Answer the following question given this paragraph: Neurons are the structural and functional units of the nervous system. They consist of a cell body, dendrites, and axon. Neurons transmit nerve impulses to other cells. Types of neurons include sensory neurons, motor neurons, and interneurons. Q: What are the structural and functional units of the nervous system, which transmit nerve impulses to other cells? Choices: - axions - ions - electrons - neurons A:
(A).
neurons
Ques:Answer the following question given this paragraph: A field goal kicker lines up to kick a 44 yard (40 m) field goal. He kicks it with an initial velocity of 22 m/s at an angle of . The field goal posts are 3 meters high. Does he make the field goal?. Q: An experiment generates what to support a hypothesis? Choices: - falsehoods - reason - study - evidence A:

Ans:evidence
Answer the following question given this paragraph: Compounds like sodium chloride form structures called crystals. A crystal is a rigid framework of many ions locked together in a repeating pattern. Ions are electrically charged forms of atoms. You can see a crystal of sodium chloride in the Figure below . It is made up of many sodium and chloride ions. Q: Compounds like sodium chloride form structures called what? Choices: - ions - microorganisms - hydrocarbons - crystals A:
crystals