Answers An element X has 127 neutrons and 82 electrons. Its atomic number is? An element X has 127 neutrons and 82 electrons. Its atomic number is? A. 209 B. 105 C. 45 D. 82 Correct Answer: Option D Explanation
Answers The major problem of the Nigerian federal structure in the first republic was The major problem of the Nigerian federal structure in the first republic was A. ethnicity B. politicization of… Read More
Answers The major site of photosynthesis in the leaf is the The major site of photosynthesis in the leaf is the A. palisade parenchyma B. mesophyll parenchyma C. upper… Read More
Answers A beneficial effect of bush burning on the soil is the A beneficial effect of bush burning on the soil is the A. reduction of soil microbial activities B.… Read More
Answers A typical lumbar vertebra does NOT have A typical lumbar vertebra does NOT have A. centrum B. neural arch C. neural spine D. neural canal… Read More
Answers Two forces, each of magnitude 16 N, are inclined to each other at an angle… Two forces, each of magnitude 16 N, are inclined to each other at an angle of 60°. Calculate… Read More