Answer the following question given this paragraph: Mariana Ruiz Villarreal (User:LadyofHats/Wikimedia Commons), modified by Hana Zavadska. The sodium-potassium pump uses active transport . Public Domain. Q: Unlike the passive form, the sodium-potassium pump uses what type of transport? Choices: - High - Low - phase - active A:
active
(Question)
Answer the following question given this paragraph: Adolescents may have mood swings because of surging hormones. Q: Many adolescents experience frequent mood swings. name one of the causes for this. Choices: - maturing nervous system - psychological changes - growing hormones - surging hormones A:
(Answer)
surging hormones
Ques: Answer the following question given this paragraph: Reptiles typically reproduce sexually and lay eggs. Q: How do reptiles typically reproduce? Choices: - cloning - live birth - asexually - sexually A:
Ans: sexually
(Q).
Answer the following question given this paragraph: Polar climates are found near the North and South Poles. They also occur on high mountains at lower latitudes. The summers are very cool, and the winters are frigid. Precipitation is very low because it's so cold. The growing season is very short. Tundra prefers areas of permafrost. Permafrost is a lower layer of soil that is permanently frozen. Tundra also refers to a treeless plain with small plants. You can see examples of polar climates pictured below. Q: What do you call the lower layer of soil that is permanently frozen, and is a frequent feature of tundra? Choices: - solvent - underfoot - solid - permafrost A:
(A).
permafrost
Ques:Answer the following question given this paragraph: The only light that people can see is called visible light . This light consists of a very narrow range of wavelengths that falls between infrared light and ultraviolet light. Within the visible range, we see light of different wavelengths as different colors of light, from red light, which has the longest wavelength, to violet light, which has the shortest wavelength (see Figure below ). When all of the wavelengths of visible light are combined, as they are in sunlight, visible light appears white. You can learn more about visible light at this URL: http://www. youtube. com/watch?v=PMtC34pzKGc . Q: What do we call the only light that people can see? Choices: - wave light - spectral light - natural light - visible light A:

Ans:visible light
Answer the following question given this paragraph: Meiosis I begins after DNA replicates during interphase of the cell cycle. In both meiosis I and meiosis II , cells go through the same four phases as mitosis - prophase, metaphase, anaphase and telophase. However, there are important differences between meiosis I and mitosis. The eight stages of meiosis are summarized below. The stages will be described for a human cell, starting with 46 chromosomes. Q: What must replicate in the cell cycle before meiosis i takes place? Choices: - cell walls - sperm - meiotic fluid - dna A:
dna