Answer the following question given this paragraph: Figure below shows the main gases in air. Nitrogen and oxygen make up 99 percent of air. Argon and carbon dioxide make up much of the rest. These percentages are the same just about everywhere in the atmosphere. Q: What makes up 99 percent of air? Choices: - oxygen and dioxide - phosphorus and oxygen - dioxide and nitrogen - nitrogen and oxygen A:
nitrogen and oxygen
(Question)
Answer the following question given this paragraph: Similarly, monoprotic bases are bases that will accept a single proton. Diprotic acids contain two ionizable hydrogen atoms per molecule; ionization of such acids occurs in two steps. The first ionization always takes place to a greater extent than the second ionization. For example, sulfuric acid, a strong acid, ionizes as follows: K a1 = more than 10 2 ; complete dissociation. Q: What is the basic characteristic of monoprotic bases? Choices: - accepts one neutron - accepts no neutrons - accepts no protons - accepts one proton A:
(Answer)
accepts one proton
Ques: Answer the following question given this paragraph: Ribosomes are structures in the cytoplasm where proteins are made. Q: What are the structures in the cytoplasm where proteins are made? Choices: - nucleus - chromosomes - prokaryotes - ribosomes A:
Ans: ribosomes
(Q).
Answer the following question given this paragraph: Density is an important physical property of matter. It reflects how closely packed the particles of matter are. Q: What physical property of matter reflects how closely packed the particles of matter are? Choices: - makeup - build up - mass - density A:
(A).
density
Ques:Answer the following question given this paragraph: Electromagnetism is magnetism produced by an electric current. When electric current flows through a wire, it creates a magnetic field that surrounds the wire in circles. You can see this in the diagram below. Note that electric current is conventionally shown moving from positive to negative electric potential, as in this diagram. However, electrons in current actually flow in the opposite direction, from negative to positive potential. Q: When electric current flows through a wire, it creates what type of field that surrounds the wire in circles? Choices: - gravitational - kinetic - thermal - magnetic A:

Ans:magnetic
Answer the following question given this paragraph: Erosion and deposition are responsible for many landforms. Erosion is the transport of sediments. Agents of erosion include flowing water, waves, wind, ice, or gravity. Eroded material is eventually dropped somewhere else. This is called deposition . Q: The process where eroded material is dropped somewhere is called? Choices: - maturation - diffusion - diffusion - deposition A:
deposition