Answer the following question given this paragraph: You can't go to the mantle but small pieces of the mantle can come to you. Kimberlite forms deep in the mantle and is erupted violently into the crust. Kimberlite can contain diamonds. Most kimberlites reached the surface much earlier in Earth history. Q: What is the upper most level of earth's layers called? Choices: - surface - volcanic - mantle - crust A:
crust
(Question)
Answer the following question given this paragraph: Water is recycled through the water cycle. The water cycle is the movement of water through the oceans, atmosphere, land, and living things. The water cycle is powered by energy from the Sun. Figure below diagrams the water cycle. Q: The water cycle is powered by energy from where? Choices: - atmosphere - earth - living things - sun A:
(Answer)
sun
Ques: Answer the following question given this paragraph: Negatively charged and has a very small mass compared to the mass of other subatomic particles. Electrons were initially called cathode rays. Q: What were the electrons initially called? Choices: - gamma rays - plasma rays - polymer rays - cathode rays A:
Ans: cathode rays
(Q).
Answer the following question given this paragraph: When a sperm penetrates the egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote , contains all the chromosomes needed for a new human organism. Half the chromosomes come from the egg and half from the sperm. Q: What is the name of the cell that results when a sperm nucleus fuses with a egg nucleus? Choices: - t cell - a cytoplasm - a filament - a zygote A:
(A).
a zygote
Ques:Answer the following question given this paragraph: Bacteria come in many different shapes. Some of the most common shapes are bacilli (rods), cocci (spheres), and spirilli (spirals). Bacteria can be identified and classified by their shape. Q: Spirals, spheres, and rods are examples of what distinguishing property of bacteria? Choices: - function - color - organ - shape A:

Ans:shape
Answer the following question given this paragraph: Band theory can explain virtually all the properties of metals. Metals conduct electricity, for example, because only a very small amount of energy is required to excite an electron from a filled level to an empty one, where it is free to migrate rapidly throughout the crystal in response to an applied electric field. Similarly, metals have high heat capacities (as you no doubt remember from the last time a doctor or a nurse placed a stethoscope on your skin) because the electrons in the valence band can absorb thermal energy by being excited to the low-lying empty energy levels. Finally, metals are lustrous because light of various wavelengths can be absorbed, causing the valence electrons to be excited into any of the empty energy levels above the highest occupied level. When the electrons decay back to low-lying empty levels, they emit light of different wavelengths. Because electrons can be excited from many different filled levels in a metallic solid and can then decay back to any of many empty levels, light of varying wavelengths is absorbed and reemitted, which results in the characteristic shiny appearance that we associate with metals. Q: What theory can explain virtually all the properties of metals? Choices: - property law theory - formation theory - bonding theory - band theory A:
band theory