Answers An atom 17 protons, 17 electrons and 18 neutrons has a mass number of An atom 17 protons, 17 electrons and 18 neutrons has a mass number of A. 17 B. 18 C. 34 D. 35 E. 52 Correct Answer: Option D Explanation
Answers Which of the following processes involves diffusion? Which of the following processes involves diffusion? A. Opening and closing of stomatal pores B. Turgidity of herbaceous… Read More
Answers Which of the following is a features of erosion in arid regions? Which of the following is a features of erosion in arid regions? A. Caldera B. Barchan C. Yardang… Read More
Answers The level of organization of Amoeba and Euglena cell is ________? The level of organization of Amoeba and Euglena cell is ________? A. organ B. system C. cell D.… Read More
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Answers One of the defects of the 1951 Macpherson constitution of Nigeria was the One of the defects of the 1951 Macpherson constitution of Nigeria was the A. registration of political parties… Read More