construction 16 b

Question: The optimum level of carbon dioxide in the atmosphere is _________. 1. 0.3% 2. 0 .04% 3. 0 .1% 4. 0 .03% Answer: ..

Question: Instant source of energy is ___________. 1. sucrose 2. glucose 3. fats 4. amino acids Answer: ..

Question: An iron sphere of mass 30 kg has the same diameter as an aluminium sphere whose mass is 10.5 kg. The spheres are dropped simultaneously from a cliff. When they are 10 m from the ground, they have the same _______. 1. acceleration 2. momentum 3. potential energy 4. ki..

Question: When a person uses a convex lens as a simple magnifying glass, the object must be placed at a distance. 1. less than one focal length 2. more than one focal length 3. less than twice the focal length 4. more than twice the focal length Answer: ..

Question: The sign used to indicate a reversible reaction is _______. 1. 2. 3. 4. Answer: ..

Low density and strength make it ideal for construction of aircraft, lightweight vehicles, and ladders. An alloy of aluminium called duralumin is often used instead of pure aluminium because of its improved properties. Easy shaping and corrosion resistance make it a good material ..

Find the next term in the series. 16, 26, 38, 52, _, . . . => 69 or 70 or 67 or 68..

Choose a rule to describe the sequence. 4, 8, 12, 16, ... => start with 4, and add 3 repeatedly or start with 4, and subtract 4 repeatedly or start with 4, and add 4 repeatedly or start with 4, and subtract 6 repeatedly..

Write a rule to describe the sequence -4, -8, -16, -32, . . . => Start with -4 and subtract 2 repeatedly or Start with -4 and multiply by 1 repeatedly or Start with -4 and add 2 repeatedly or Start with -4 and multiply by 2 repeatedly..

The scores of 20 students in a quiz are collected and shown in the table: Construct a frequency distribution and a histogram for the data. => Figure - A or Figure - B..